1213338840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 256

約数和(自身を含む): 4316958720

約数和(自身を除く): 3103619880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 73, 84, 94, 105, 120, 140, 141, 146, 168, 188, 210, 219, 235, 280, 282, 292, 329, 365, 376, 420, 421, 438, 470, 511, 564, 584, 658, 705, 730, 840, 842, 876, 940, 987, 1022, 1095, 1128, 1263, 1316, 1410, 1460, 1533, 1645, 1684, 1752, 1880, 1974, 2044, 2105, 2190, 2526, 2555, 2632, 2820, 2920, 2947, 3066, 3290, 3368, 3431, 3948, 4088, 4210, 4380, 4935, 5052, 5110, 5640, 5894, 6132, 6315, 6580, 6862, 7665, 7896, 8420, 8760, 8841, 9870, 10104, 10220, 10293, 11788, 12264, 12630, 13160, 13724, 14735, 15330, 16840, 17155, 17682, 19740, 19787, 20440, 20586, 23576, 24017, 25260, 27448, 29470, 30660, 30733, 34310, 35364, 39480, 39574, 41172, 44205, 48034, 50520, 51465, 58940, 59361, 61320, 61466, 68620, 70728, 72051, 79148, 82344, 88410, 92199, 96068, 98935, 102930, 117880, 118722, 120085, 122932, 137240, 138509, 144102, 153665, 158296, 176820, 184398, 192136, 197870, 205860, 215131, 237444, 240170, 245864, 277018, 288204, 296805, 307330, 353640, 360255, 368796, 395740, 411720, 415527, 430262, 460995, 474888, 480340, 554036, 576408, 593610, 614660, 645393, 692545, 720510, 737592, 791480, 831054, 860524, 921990, 960680, 1075655, 1108072, 1187220, 1229320, 1290786, 1385090, 1441020, 1444451, 1662108, 1721048, 1843980, 2077635, 2151310, 2374440, 2581572, 2770180, 2882040, 2888902, 3226965, 3324216, 3687960, 4155270, 4302620, 4333353, 5163144, 5540360, 5777804, 6453930, 7222255, 8310540, 8605240, 8666706, 10111157, 11555608, 12907860, 14444510, 16621080, 17333412, 20222314, 21666765, 25815720, 28889020, 30333471, 34666824, 40444628, 43333530, 50555785, 57778040, 60666942, 80889256, 86667060, 101111570, 121333884, 151667355, 173334120, 202223140, 242667768, 303334710, 404446280, 606669420, 1213338840]

約数ペア:

[(1, 1213338840), (2, 606669420), (3, 404446280), (4, 303334710), (5, 242667768), (6, 202223140), (7, 173334120), (8, 151667355), (10, 121333884), (12, 101111570), (14, 86667060), (15, 80889256), (20, 60666942), (21, 57778040), (24, 50555785), (28, 43333530), (30, 40444628), (35, 34666824), (40, 30333471), (42, 28889020), (47, 25815720), (56, 21666765), (60, 20222314), (70, 17333412), (73, 16621080), (84, 14444510), (94, 12907860), (105, 11555608), (120, 10111157), (140, 8666706), (141, 8605240), (146, 8310540), (168, 7222255), (188, 6453930), (210, 5777804), (219, 5540360), (235, 5163144), (280, 4333353), (282, 4302620), (292, 4155270), (329, 3687960), (365, 3324216), (376, 3226965), (420, 2888902), (421, 2882040), (438, 2770180), (470, 2581572), (511, 2374440), (564, 2151310), (584, 2077635), (658, 1843980), (705, 1721048), (730, 1662108), (840, 1444451), (842, 1441020), (876, 1385090), (940, 1290786), (987, 1229320), (1022, 1187220), (1095, 1108072), (1128, 1075655), (1263, 960680), (1316, 921990), (1410, 860524), (1460, 831054), (1533, 791480), (1645, 737592), (1684, 720510), (1752, 692545), (1880, 645393), (1974, 614660), (2044, 593610), (2105, 576408), (2190, 554036), (2526, 480340), (2555, 474888), (2632, 460995), (2820, 430262), (2920, 415527), (2947, 411720), (3066, 395740), (3290, 368796), (3368, 360255), (3431, 353640), (3948, 307330), (4088, 296805), (4210, 288204), (4380, 277018), (4935, 245864), (5052, 240170), (5110, 237444), (5640, 215131), (5894, 205860), (6132, 197870), (6315, 192136), (6580, 184398), (6862, 176820), (7665, 158296), (7896, 153665), (8420, 144102), (8760, 138509), (8841, 137240), (9870, 122932), (10104, 120085), (10220, 118722), (10293, 117880), (11788, 102930), (12264, 98935), (12630, 96068), (13160, 92199), (13724, 88410), (14735, 82344), (15330, 79148), (16840, 72051), (17155, 70728), (17682, 68620), (19740, 61466), (19787, 61320), (20440, 59361), (20586, 58940), (23576, 51465), (24017, 50520), (25260, 48034), (27448, 44205), (29470, 41172), (30660, 39574), (30733, 39480), (34310, 35364)]