400107840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37889}}^1$

素因数の和:37920

約数の個数: 112

約数和(自身を含む): 1385864640

約数和(自身を除く): 985756800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2112, 2640, 3520, 5280, 10560, 37889, 75778, 113667, 151556, 189445, 227334, 303112, 378890, 416779, 454668, 568335, 606224, 757780, 833558, 909336, 1136670, 1212448, 1250337, 1515560, 1667116, 1818672, 2083895, 2273340, 2424896, 2500674, 3031120, 3334232, 3637344, 4167790, 4546680, 5001348, 6062240, 6251685, 6668464, 7274688, 8335580, 9093360, 10002696, 12124480, 12503370, 13336928, 16671160, 18186720, 20005392, 25006740, 26673856, 33342320, 36373440, 40010784, 50013480, 66684640, 80021568, 100026960, 133369280, 200053920, 400107840]

約数ペア:

[(1, 400107840), (2, 200053920), (3, 133369280), (4, 100026960), (5, 80021568), (6, 66684640), (8, 50013480), (10, 40010784), (11, 36373440), (12, 33342320), (15, 26673856), (16, 25006740), (20, 20005392), (22, 18186720), (24, 16671160), (30, 13336928), (32, 12503370), (33, 12124480), (40, 10002696), (44, 9093360), (48, 8335580), (55, 7274688), (60, 6668464), (64, 6251685), (66, 6062240), (80, 5001348), (88, 4546680), (96, 4167790), (110, 3637344), (120, 3334232), (132, 3031120), (160, 2500674), (165, 2424896), (176, 2273340), (192, 2083895), (220, 1818672), (240, 1667116), (264, 1515560), (320, 1250337), (330, 1212448), (352, 1136670), (440, 909336), (480, 833558), (528, 757780), (660, 606224), (704, 568335), (880, 454668), (960, 416779), (1056, 378890), (1320, 303112), (1760, 227334), (2112, 189445), (2640, 151556), (3520, 113667), (5280, 75778), (10560, 37889)]