2161757640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:956

約数の個数: 256

約数和(自身を含む): 7688908800

約数和(自身を除く): 5527151160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 59, 60, 70, 84, 105, 106, 118, 120, 140, 159, 168, 177, 210, 212, 236, 265, 280, 295, 318, 354, 371, 413, 420, 424, 472, 530, 590, 636, 708, 742, 795, 823, 826, 840, 885, 1060, 1113, 1180, 1239, 1272, 1416, 1484, 1590, 1646, 1652, 1770, 1855, 2065, 2120, 2226, 2360, 2469, 2478, 2968, 3127, 3180, 3292, 3304, 3540, 3710, 4115, 4130, 4452, 4938, 4956, 5565, 5761, 6195, 6254, 6360, 6584, 7080, 7420, 8230, 8260, 8904, 9381, 9876, 9912, 11130, 11522, 12345, 12390, 12508, 14840, 15635, 16460, 16520, 17283, 18762, 19752, 21889, 22260, 23044, 24690, 24780, 25016, 28805, 31270, 32920, 34566, 37524, 43619, 43778, 44520, 46088, 46905, 48557, 49380, 49560, 57610, 62540, 65667, 69132, 75048, 86415, 87238, 87556, 93810, 97114, 98760, 109445, 115220, 125080, 130857, 131334, 138264, 145671, 172830, 174476, 175112, 187620, 194228, 218095, 218890, 230440, 242785, 261714, 262668, 291342, 305333, 328335, 339899, 345660, 348952, 375240, 388456, 436190, 437780, 485570, 523428, 525336, 582684, 610666, 654285, 656670, 679798, 691320, 728355, 872380, 875560, 915999, 971140, 1019697, 1046856, 1165368, 1221332, 1308570, 1313340, 1359596, 1456710, 1526665, 1699495, 1744760, 1831998, 1942280, 2039394, 2442664, 2573521, 2617140, 2626680, 2719192, 2913420, 3053330, 3398990, 3663996, 4078788, 4579995, 5098485, 5147042, 5234280, 5826840, 6106660, 6797980, 7327992, 7720563, 8157576, 9159990, 10196970, 10294084, 12213320, 12867605, 13595960, 15441126, 18014647, 18319980, 20393940, 20588168, 25735210, 30882252, 36029294, 36639960, 38602815, 40787880, 51470420, 54043941, 61764504, 72058588, 77205630, 90073235, 102940840, 108087882, 144117176, 154411260, 180146470, 216175764, 270219705, 308822520, 360292940, 432351528, 540439410, 720585880, 1080878820, 2161757640]

約数ペア:

[(1, 2161757640), (2, 1080878820), (3, 720585880), (4, 540439410), (5, 432351528), (6, 360292940), (7, 308822520), (8, 270219705), (10, 216175764), (12, 180146470), (14, 154411260), (15, 144117176), (20, 108087882), (21, 102940840), (24, 90073235), (28, 77205630), (30, 72058588), (35, 61764504), (40, 54043941), (42, 51470420), (53, 40787880), (56, 38602815), (59, 36639960), (60, 36029294), (70, 30882252), (84, 25735210), (105, 20588168), (106, 20393940), (118, 18319980), (120, 18014647), (140, 15441126), (159, 13595960), (168, 12867605), (177, 12213320), (210, 10294084), (212, 10196970), (236, 9159990), (265, 8157576), (280, 7720563), (295, 7327992), (318, 6797980), (354, 6106660), (371, 5826840), (413, 5234280), (420, 5147042), (424, 5098485), (472, 4579995), (530, 4078788), (590, 3663996), (636, 3398990), (708, 3053330), (742, 2913420), (795, 2719192), (823, 2626680), (826, 2617140), (840, 2573521), (885, 2442664), (1060, 2039394), (1113, 1942280), (1180, 1831998), (1239, 1744760), (1272, 1699495), (1416, 1526665), (1484, 1456710), (1590, 1359596), (1646, 1313340), (1652, 1308570), (1770, 1221332), (1855, 1165368), (2065, 1046856), (2120, 1019697), (2226, 971140), (2360, 915999), (2469, 875560), (2478, 872380), (2968, 728355), (3127, 691320), (3180, 679798), (3292, 656670), (3304, 654285), (3540, 610666), (3710, 582684), (4115, 525336), (4130, 523428), (4452, 485570), (4938, 437780), (4956, 436190), (5565, 388456), (5761, 375240), (6195, 348952), (6254, 345660), (6360, 339899), (6584, 328335), (7080, 305333), (7420, 291342), (8230, 262668), (8260, 261714), (8904, 242785), (9381, 230440), (9876, 218890), (9912, 218095), (11130, 194228), (11522, 187620), (12345, 175112), (12390, 174476), (12508, 172830), (14840, 145671), (15635, 138264), (16460, 131334), (16520, 130857), (17283, 125080), (18762, 115220), (19752, 109445), (21889, 98760), (22260, 97114), (23044, 93810), (24690, 87556), (24780, 87238), (25016, 86415), (28805, 75048), (31270, 69132), (32920, 65667), (34566, 62540), (37524, 57610), (43619, 49560), (43778, 49380), (44520, 48557), (46088, 46905)]