56157920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 180986400

約数和(自身を除く): 124828480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 29, 32, 35, 38, 40, 49, 52, 56, 58, 65, 70, 76, 80, 91, 95, 98, 104, 112, 116, 130, 133, 140, 145, 152, 160, 182, 190, 196, 203, 208, 224, 232, 245, 247, 260, 266, 280, 290, 304, 364, 377, 380, 392, 406, 416, 455, 464, 490, 494, 520, 532, 551, 560, 580, 608, 637, 665, 728, 754, 760, 784, 812, 910, 928, 931, 980, 988, 1015, 1040, 1064, 1102, 1120, 1160, 1235, 1274, 1330, 1421, 1456, 1508, 1520, 1568, 1624, 1729, 1820, 1862, 1885, 1960, 1976, 2030, 2080, 2128, 2204, 2320, 2470, 2548, 2639, 2660, 2755, 2842, 2912, 3016, 3040, 3185, 3248, 3458, 3640, 3724, 3770, 3857, 3920, 3952, 4060, 4256, 4408, 4640, 4655, 4940, 5096, 5278, 5320, 5510, 5684, 6032, 6370, 6496, 6916, 7105, 7163, 7280, 7448, 7540, 7714, 7840, 7904, 8120, 8645, 8816, 9310, 9880, 10192, 10556, 10640, 11020, 11368, 12064, 12103, 12740, 13195, 13832, 14210, 14326, 14560, 14896, 15080, 15428, 16240, 17290, 17632, 18473, 18620, 19285, 19760, 20384, 21112, 21280, 22040, 22736, 24206, 25480, 26390, 26999, 27664, 28420, 28652, 29792, 30160, 30856, 32480, 34580, 35815, 36946, 37240, 38570, 39520, 42224, 44080, 45472, 48412, 50141, 50960, 52780, 53998, 55328, 56840, 57304, 60320, 60515, 61712, 69160, 71630, 73892, 74480, 77140, 84448, 88160, 92365, 96824, 100282, 101920, 105560, 107996, 113680, 114608, 121030, 123424, 134995, 138320, 143260, 147784, 148960, 154280, 184730, 193648, 200564, 211120, 215992, 227360, 229216, 242060, 250705, 269990, 276640, 286520, 295568, 308560, 350987, 369460, 387296, 401128, 422240, 431984, 484120, 501410, 539980, 573040, 591136, 617120, 701974, 738920, 802256, 863968, 968240, 1002820, 1079960, 1146080, 1403948, 1477840, 1604512, 1754935, 1936480, 2005640, 2159920, 2807896, 2955680, 3509870, 4011280, 4319840, 5615792, 7019740, 8022560, 11231584, 14039480, 28078960, 56157920]

約数ペア:

[(1, 56157920), (2, 28078960), (4, 14039480), (5, 11231584), (7, 8022560), (8, 7019740), (10, 5615792), (13, 4319840), (14, 4011280), (16, 3509870), (19, 2955680), (20, 2807896), (26, 2159920), (28, 2005640), (29, 1936480), (32, 1754935), (35, 1604512), (38, 1477840), (40, 1403948), (49, 1146080), (52, 1079960), (56, 1002820), (58, 968240), (65, 863968), (70, 802256), (76, 738920), (80, 701974), (91, 617120), (95, 591136), (98, 573040), (104, 539980), (112, 501410), (116, 484120), (130, 431984), (133, 422240), (140, 401128), (145, 387296), (152, 369460), (160, 350987), (182, 308560), (190, 295568), (196, 286520), (203, 276640), (208, 269990), (224, 250705), (232, 242060), (245, 229216), (247, 227360), (260, 215992), (266, 211120), (280, 200564), (290, 193648), (304, 184730), (364, 154280), (377, 148960), (380, 147784), (392, 143260), (406, 138320), (416, 134995), (455, 123424), (464, 121030), (490, 114608), (494, 113680), (520, 107996), (532, 105560), (551, 101920), (560, 100282), (580, 96824), (608, 92365), (637, 88160), (665, 84448), (728, 77140), (754, 74480), (760, 73892), (784, 71630), (812, 69160), (910, 61712), (928, 60515), (931, 60320), (980, 57304), (988, 56840), (1015, 55328), (1040, 53998), (1064, 52780), (1102, 50960), (1120, 50141), (1160, 48412), (1235, 45472), (1274, 44080), (1330, 42224), (1421, 39520), (1456, 38570), (1508, 37240), (1520, 36946), (1568, 35815), (1624, 34580), (1729, 32480), (1820, 30856), (1862, 30160), (1885, 29792), (1960, 28652), (1976, 28420), (2030, 27664), (2080, 26999), (2128, 26390), (2204, 25480), (2320, 24206), (2470, 22736), (2548, 22040), (2639, 21280), (2660, 21112), (2755, 20384), (2842, 19760), (2912, 19285), (3016, 18620), (3040, 18473), (3185, 17632), (3248, 17290), (3458, 16240), (3640, 15428), (3724, 15080), (3770, 14896), (3857, 14560), (3920, 14326), (3952, 14210), (4060, 13832), (4256, 13195), (4408, 12740), (4640, 12103), (4655, 12064), (4940, 11368), (5096, 11020), (5278, 10640), (5320, 10556), (5510, 10192), (5684, 9880), (6032, 9310), (6370, 8816), (6496, 8645), (6916, 8120), (7105, 7904), (7163, 7840), (7280, 7714), (7448, 7540)]