61363880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 156764160

約数和(自身を除く): 95400280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 41, 62, 68, 71, 82, 85, 124, 136, 142, 155, 164, 170, 205, 248, 284, 310, 328, 340, 355, 410, 527, 568, 620, 680, 697, 710, 820, 1054, 1207, 1240, 1271, 1394, 1420, 1640, 2108, 2201, 2414, 2542, 2635, 2788, 2840, 2911, 3485, 4216, 4402, 4828, 5084, 5270, 5576, 5822, 6035, 6355, 6970, 8804, 9656, 10168, 10540, 11005, 11644, 12070, 12710, 13940, 14555, 17608, 21080, 21607, 22010, 23288, 24140, 25420, 27880, 29110, 37417, 43214, 44020, 48280, 49487, 50840, 58220, 74834, 86428, 88040, 90241, 98974, 108035, 116440, 149668, 172856, 180482, 187085, 197948, 216070, 247435, 299336, 360964, 374170, 395896, 432140, 451205, 494870, 721928, 748340, 864280, 902410, 989740, 1496680, 1534097, 1804820, 1979480, 3068194, 3609640, 6136388, 7670485, 12272776, 15340970, 30681940, 61363880]

約数ペア:

[(1, 61363880), (2, 30681940), (4, 15340970), (5, 12272776), (8, 7670485), (10, 6136388), (17, 3609640), (20, 3068194), (31, 1979480), (34, 1804820), (40, 1534097), (41, 1496680), (62, 989740), (68, 902410), (71, 864280), (82, 748340), (85, 721928), (124, 494870), (136, 451205), (142, 432140), (155, 395896), (164, 374170), (170, 360964), (205, 299336), (248, 247435), (284, 216070), (310, 197948), (328, 187085), (340, 180482), (355, 172856), (410, 149668), (527, 116440), (568, 108035), (620, 98974), (680, 90241), (697, 88040), (710, 86428), (820, 74834), (1054, 58220), (1207, 50840), (1240, 49487), (1271, 48280), (1394, 44020), (1420, 43214), (1640, 37417), (2108, 29110), (2201, 27880), (2414, 25420), (2542, 24140), (2635, 23288), (2788, 22010), (2840, 21607), (2911, 21080), (3485, 17608), (4216, 14555), (4402, 13940), (4828, 12710), (5084, 12070), (5270, 11644), (5576, 11005), (5822, 10540), (6035, 10168), (6355, 9656), (6970, 8804)]