56637880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 149688000

約数和(自身を除く): 93050120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 85, 86, 104, 130, 136, 149, 170, 172, 215, 221, 260, 298, 340, 344, 430, 442, 520, 559, 596, 680, 731, 745, 860, 884, 1105, 1118, 1192, 1462, 1490, 1720, 1768, 1937, 2210, 2236, 2533, 2795, 2924, 2980, 3655, 3874, 4420, 4472, 5066, 5590, 5848, 5960, 6407, 7310, 7748, 8840, 9503, 9685, 10132, 11180, 12665, 12814, 14620, 15496, 19006, 19370, 20264, 22360, 25330, 25628, 29240, 32035, 32929, 38012, 38740, 47515, 50660, 51256, 64070, 65858, 76024, 77480, 83291, 95030, 101320, 108919, 128140, 131716, 164645, 166582, 190060, 217838, 256280, 263432, 329290, 333164, 380120, 416455, 435676, 544595, 658580, 666328, 832910, 871352, 1089190, 1317160, 1415947, 1665820, 2178380, 2831894, 3331640, 4356760, 5663788, 7079735, 11327576, 14159470, 28318940, 56637880]

約数ペア:

[(1, 56637880), (2, 28318940), (4, 14159470), (5, 11327576), (8, 7079735), (10, 5663788), (13, 4356760), (17, 3331640), (20, 2831894), (26, 2178380), (34, 1665820), (40, 1415947), (43, 1317160), (52, 1089190), (65, 871352), (68, 832910), (85, 666328), (86, 658580), (104, 544595), (130, 435676), (136, 416455), (149, 380120), (170, 333164), (172, 329290), (215, 263432), (221, 256280), (260, 217838), (298, 190060), (340, 166582), (344, 164645), (430, 131716), (442, 128140), (520, 108919), (559, 101320), (596, 95030), (680, 83291), (731, 77480), (745, 76024), (860, 65858), (884, 64070), (1105, 51256), (1118, 50660), (1192, 47515), (1462, 38740), (1490, 38012), (1720, 32929), (1768, 32035), (1937, 29240), (2210, 25628), (2236, 25330), (2533, 22360), (2795, 20264), (2924, 19370), (2980, 19006), (3655, 15496), (3874, 14620), (4420, 12814), (4472, 12665), (5066, 11180), (5590, 10132), (5848, 9685), (5960, 9503), (6407, 8840), (7310, 7748)]