77939820

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 288

約数和(自身を含む): 293529600

約数和(自身を除く): 215589780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 79, 81, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 158, 162, 174, 180, 189, 203, 210, 237, 243, 252, 261, 270, 290, 315, 316, 324, 348, 378, 395, 405, 406, 420, 435, 474, 486, 522, 540, 553, 567, 580, 609, 630, 711, 756, 783, 790, 810, 812, 870, 945, 948, 972, 1015, 1044, 1106, 1134, 1185, 1215, 1218, 1260, 1305, 1422, 1566, 1580, 1620, 1659, 1701, 1740, 1827, 1890, 2030, 2133, 2212, 2268, 2291, 2349, 2370, 2430, 2436, 2610, 2765, 2835, 2844, 3045, 3132, 3318, 3402, 3555, 3654, 3780, 3915, 4060, 4266, 4582, 4698, 4740, 4860, 4977, 5220, 5481, 5530, 5670, 6090, 6399, 6636, 6804, 6873, 7047, 7110, 7308, 7830, 8295, 8505, 8532, 9135, 9164, 9396, 9954, 10665, 10962, 11060, 11340, 11455, 11745, 12180, 12798, 13746, 14094, 14220, 14931, 15660, 16037, 16443, 16590, 17010, 18270, 19197, 19908, 20619, 21330, 21924, 22910, 23490, 24885, 25596, 27405, 27492, 28188, 29862, 31995, 32074, 32886, 33180, 34020, 34365, 35235, 36540, 38394, 41238, 42660, 44793, 45820, 46980, 48111, 49329, 49770, 54810, 59724, 61857, 63990, 64148, 65772, 68730, 70470, 74655, 76788, 80185, 82215, 82476, 89586, 95985, 96222, 98658, 99540, 103095, 109620, 123714, 127980, 134379, 137460, 140940, 144333, 149310, 160370, 164430, 179172, 185571, 191970, 192444, 197316, 206190, 223965, 240555, 246645, 247428, 268758, 288666, 298620, 309285, 320740, 328860, 371142, 383940, 412380, 432999, 447930, 481110, 493290, 537516, 556713, 577332, 618570, 671895, 721665, 742284, 865998, 895860, 927855, 962220, 986580, 1113426, 1237140, 1298997, 1343790, 1443330, 1731996, 1855710, 2164995, 2226852, 2597994, 2687580, 2783565, 2886660, 3711420, 3896991, 4329990, 5195988, 5567130, 6494985, 7793982, 8659980, 11134260, 12989970, 15587964, 19484955, 25979940, 38969910, 77939820]

約数ペア:

[(1, 77939820), (2, 38969910), (3, 25979940), (4, 19484955), (5, 15587964), (6, 12989970), (7, 11134260), (9, 8659980), (10, 7793982), (12, 6494985), (14, 5567130), (15, 5195988), (18, 4329990), (20, 3896991), (21, 3711420), (27, 2886660), (28, 2783565), (29, 2687580), (30, 2597994), (35, 2226852), (36, 2164995), (42, 1855710), (45, 1731996), (54, 1443330), (58, 1343790), (60, 1298997), (63, 1237140), (70, 1113426), (79, 986580), (81, 962220), (84, 927855), (87, 895860), (90, 865998), (105, 742284), (108, 721665), (116, 671895), (126, 618570), (135, 577332), (140, 556713), (145, 537516), (158, 493290), (162, 481110), (174, 447930), (180, 432999), (189, 412380), (203, 383940), (210, 371142), (237, 328860), (243, 320740), (252, 309285), (261, 298620), (270, 288666), (290, 268758), (315, 247428), (316, 246645), (324, 240555), (348, 223965), (378, 206190), (395, 197316), (405, 192444), (406, 191970), (420, 185571), (435, 179172), (474, 164430), (486, 160370), (522, 149310), (540, 144333), (553, 140940), (567, 137460), (580, 134379), (609, 127980), (630, 123714), (711, 109620), (756, 103095), (783, 99540), (790, 98658), (810, 96222), (812, 95985), (870, 89586), (945, 82476), (948, 82215), (972, 80185), (1015, 76788), (1044, 74655), (1106, 70470), (1134, 68730), (1185, 65772), (1215, 64148), (1218, 63990), (1260, 61857), (1305, 59724), (1422, 54810), (1566, 49770), (1580, 49329), (1620, 48111), (1659, 46980), (1701, 45820), (1740, 44793), (1827, 42660), (1890, 41238), (2030, 38394), (2133, 36540), (2212, 35235), (2268, 34365), (2291, 34020), (2349, 33180), (2370, 32886), (2430, 32074), (2436, 31995), (2610, 29862), (2765, 28188), (2835, 27492), (2844, 27405), (3045, 25596), (3132, 24885), (3318, 23490), (3402, 22910), (3555, 21924), (3654, 21330), (3780, 20619), (3915, 19908), (4060, 19197), (4266, 18270), (4582, 17010), (4698, 16590), (4740, 16443), (4860, 16037), (4977, 15660), (5220, 14931), (5481, 14220), (5530, 14094), (5670, 13746), (6090, 12798), (6399, 12180), (6636, 11745), (6804, 11455), (6873, 11340), (7047, 11060), (7110, 10962), (7308, 10665), (7830, 9954), (8295, 9396), (8505, 9164), (8532, 9135)]