20387906280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1259

約数の個数: 512

約数和(自身を含む): 81008640000

約数和(自身を除く): 60620733720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 49, 54, 56, 60, 63, 70, 72, 84, 90, 94, 98, 105, 108, 120, 126, 135, 140, 141, 147, 168, 180, 188, 189, 196, 210, 216, 235, 245, 252, 270, 280, 282, 294, 315, 329, 343, 360, 376, 378, 392, 420, 423, 441, 470, 490, 504, 540, 564, 588, 630, 658, 686, 705, 735, 756, 840, 846, 882, 940, 945, 980, 987, 1029, 1080, 1128, 1171, 1176, 1260, 1269, 1316, 1323, 1372, 1410, 1470, 1512, 1645, 1692, 1715, 1764, 1880, 1890, 1960, 1974, 2058, 2115, 2205, 2303, 2342, 2520, 2538, 2632, 2646, 2744, 2820, 2940, 2961, 3087, 3290, 3384, 3430, 3513, 3528, 3780, 3948, 4116, 4230, 4410, 4606, 4684, 4935, 5076, 5145, 5292, 5640, 5855, 5880, 5922, 6174, 6345, 6580, 6615, 6860, 6909, 7026, 7560, 7896, 8197, 8232, 8460, 8820, 8883, 9212, 9261, 9368, 9870, 10152, 10290, 10539, 10584, 11515, 11710, 11844, 12348, 12690, 13160, 13230, 13720, 13818, 14052, 14805, 15435, 16121, 16394, 16920, 17565, 17640, 17766, 18424, 18522, 19740, 20580, 20727, 21078, 23030, 23420, 23688, 24591, 24696, 25380, 26460, 27636, 28104, 29610, 30870, 31617, 32242, 32788, 34545, 35130, 35532, 37044, 39480, 40985, 41160, 41454, 42156, 44415, 46060, 46305, 46840, 48363, 49182, 50760, 52695, 52920, 55037, 55272, 57379, 59220, 61740, 62181, 63234, 64484, 65576, 69090, 70260, 71064, 73773, 74088, 80605, 81970, 82908, 84312, 88830, 92120, 92610, 96726, 98364, 103635, 105390, 110074, 114758, 118440, 122955, 123480, 124362, 126468, 128968, 138180, 140520, 145089, 147546, 158085, 161210, 163940, 165111, 165816, 172137, 177660, 185220, 193452, 196728, 207270, 210780, 220148, 221319, 229516, 241815, 245910, 248724, 252936, 275185, 276360, 286895, 290178, 295092, 310905, 316170, 322420, 327880, 330222, 344274, 355320, 368865, 370440, 385259, 386904, 401653, 414540, 421560, 435267, 440296, 442638, 459032, 483630, 491820, 495333, 497448, 516411, 550370, 573790, 580356, 590184, 621810, 632340, 644840, 660444, 688548, 725445, 737730, 770518, 803306, 825555, 829080, 860685, 870534, 885276, 967260, 983640, 990666, 1032822, 1100740, 1106595, 1147580, 1155777, 1160712, 1204959, 1243620, 1264680, 1320888, 1377096, 1450890, 1475460, 1485999, 1541036, 1549233, 1606612, 1651110, 1721370, 1741068, 1770552, 1926295, 1934520, 1981332, 2008265, 2065644, 2176335, 2201480, 2213190, 2295160, 2311554, 2409918, 2476665, 2487240, 2582055, 2696813, 2901780, 2950920, 2971998, 3082072, 3098466, 3213224, 3302220, 3442740, 3467331, 3482136, 3614877, 3852590, 3962664, 4016530, 4131288, 4352670, 4426380, 4623108, 4819836, 4953330, 5164110, 5393626, 5778885, 5803560, 5943996, 6024795, 6196932, 6604440, 6885480, 6934662, 7229754, 7429995, 7705180, 7746165, 8033060, 8090439, 8705340, 8852760, 9246216, 9639672, 9906660, 10328220, 10401993, 10787252, 10844631, 11557770, 11887992, 12049590, 12393864, 13484065, 13869324, 14459508, 14859990, 15410360, 15492330, 16066120, 16180878, 17336655, 17410680, 18074385, 18877691, 19813320, 20656440, 20803986, 21574504, 21689262, 23115540, 24099180, 24271317, 26968130, 27738648, 28919016, 29719980, 30984660, 32361756, 34673310, 36148770, 37755382, 40452195, 41607972, 43378524, 46231080, 48198360, 48542634, 52009965, 53936260, 54223155, 56633073, 59439960, 61969320, 64723512, 69346620, 72297540, 72813951, 75510764, 80904390, 83215944, 86757048, 94388455, 97085268, 104019930, 107872520, 108446310, 113266146, 121356585, 138693240, 144595080, 145627902, 151021528, 161808780, 169899219, 188776910, 194170536, 208039860, 216892620, 226532292, 242713170, 283165365, 291255804, 323617560, 339798438, 364069755, 377553820, 416079720, 433785240, 453064584, 485426340, 509697657, 566330730, 582511608, 679596876, 728139510, 755107640, 849496095, 970852680, 1019395314, 1132661460, 1359193752, 1456279020, 1698992190, 2038790628, 2265322920, 2548488285, 2912558040, 3397984380, 4077581256, 5096976570, 6795968760, 10193953140, 20387906280]

約数ペア:

[(1, 20387906280), (2, 10193953140), (3, 6795968760), (4, 5096976570), (5, 4077581256), (6, 3397984380), (7, 2912558040), (8, 2548488285), (9, 2265322920), (10, 2038790628), (12, 1698992190), (14, 1456279020), (15, 1359193752), (18, 1132661460), (20, 1019395314), (21, 970852680), (24, 849496095), (27, 755107640), (28, 728139510), (30, 679596876), (35, 582511608), (36, 566330730), (40, 509697657), (42, 485426340), (45, 453064584), (47, 433785240), (49, 416079720), (54, 377553820), (56, 364069755), (60, 339798438), (63, 323617560), (70, 291255804), (72, 283165365), (84, 242713170), (90, 226532292), (94, 216892620), (98, 208039860), (105, 194170536), (108, 188776910), (120, 169899219), (126, 161808780), (135, 151021528), (140, 145627902), (141, 144595080), (147, 138693240), (168, 121356585), (180, 113266146), (188, 108446310), (189, 107872520), (196, 104019930), (210, 97085268), (216, 94388455), (235, 86757048), (245, 83215944), (252, 80904390), (270, 75510764), (280, 72813951), (282, 72297540), (294, 69346620), (315, 64723512), (329, 61969320), (343, 59439960), (360, 56633073), (376, 54223155), (378, 53936260), (392, 52009965), (420, 48542634), (423, 48198360), (441, 46231080), (470, 43378524), (490, 41607972), (504, 40452195), (540, 37755382), (564, 36148770), (588, 34673310), (630, 32361756), (658, 30984660), (686, 29719980), (705, 28919016), (735, 27738648), (756, 26968130), (840, 24271317), (846, 24099180), (882, 23115540), (940, 21689262), (945, 21574504), (980, 20803986), (987, 20656440), (1029, 19813320), (1080, 18877691), (1128, 18074385), (1171, 17410680), (1176, 17336655), (1260, 16180878), (1269, 16066120), (1316, 15492330), (1323, 15410360), (1372, 14859990), (1410, 14459508), (1470, 13869324), (1512, 13484065), (1645, 12393864), (1692, 12049590), (1715, 11887992), (1764, 11557770), (1880, 10844631), (1890, 10787252), (1960, 10401993), (1974, 10328220), (2058, 9906660), (2115, 9639672), (2205, 9246216), (2303, 8852760), (2342, 8705340), (2520, 8090439), (2538, 8033060), (2632, 7746165), (2646, 7705180), (2744, 7429995), (2820, 7229754), (2940, 6934662), (2961, 6885480), (3087, 6604440), (3290, 6196932), (3384, 6024795), (3430, 5943996), (3513, 5803560), (3528, 5778885), (3780, 5393626), (3948, 5164110), (4116, 4953330), (4230, 4819836), (4410, 4623108), (4606, 4426380), (4684, 4352670), (4935, 4131288), (5076, 4016530), (5145, 3962664), (5292, 3852590), (5640, 3614877), (5855, 3482136), (5880, 3467331), (5922, 3442740), (6174, 3302220), (6345, 3213224), (6580, 3098466), (6615, 3082072), (6860, 2971998), (6909, 2950920), (7026, 2901780), (7560, 2696813), (7896, 2582055), (8197, 2487240), (8232, 2476665), (8460, 2409918), (8820, 2311554), (8883, 2295160), (9212, 2213190), (9261, 2201480), (9368, 2176335), (9870, 2065644), (10152, 2008265), (10290, 1981332), (10539, 1934520), (10584, 1926295), (11515, 1770552), (11710, 1741068), (11844, 1721370), (12348, 1651110), (12690, 1606612), (13160, 1549233), (13230, 1541036), (13720, 1485999), (13818, 1475460), (14052, 1450890), (14805, 1377096), (15435, 1320888), (16121, 1264680), (16394, 1243620), (16920, 1204959), (17565, 1160712), (17640, 1155777), (17766, 1147580), (18424, 1106595), (18522, 1100740), (19740, 1032822), (20580, 990666), (20727, 983640), (21078, 967260), (23030, 885276), (23420, 870534), (23688, 860685), (24591, 829080), (24696, 825555), (25380, 803306), (26460, 770518), (27636, 737730), (28104, 725445), (29610, 688548), (30870, 660444), (31617, 644840), (32242, 632340), (32788, 621810), (34545, 590184), (35130, 580356), (35532, 573790), (37044, 550370), (39480, 516411), (40985, 497448), (41160, 495333), (41454, 491820), (42156, 483630), (44415, 459032), (46060, 442638), (46305, 440296), (46840, 435267), (48363, 421560), (49182, 414540), (50760, 401653), (52695, 386904), (52920, 385259), (55037, 370440), (55272, 368865), (57379, 355320), (59220, 344274), (61740, 330222), (62181, 327880), (63234, 322420), (64484, 316170), (65576, 310905), (69090, 295092), (70260, 290178), (71064, 286895), (73773, 276360), (74088, 275185), (80605, 252936), (81970, 248724), (82908, 245910), (84312, 241815), (88830, 229516), (92120, 221319), (92610, 220148), (96726, 210780), (98364, 207270), (103635, 196728), (105390, 193452), (110074, 185220), (114758, 177660), (118440, 172137), (122955, 165816), (123480, 165111), (124362, 163940), (126468, 161210), (128968, 158085), (138180, 147546), (140520, 145089)]