149647960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 431207280

約数和(自身を除く): 281559320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 605, 616, 631, 770, 847, 968, 980, 1078, 1210, 1262, 1540, 1694, 1960, 2156, 2420, 2524, 2695, 3080, 3155, 3388, 4235, 4312, 4417, 4840, 5048, 5390, 5929, 6310, 6776, 6941, 8470, 8834, 10780, 11858, 12620, 13882, 16940, 17668, 21560, 22085, 23716, 25240, 27764, 29645, 30919, 33880, 34705, 35336, 44170, 47432, 48587, 55528, 59290, 61838, 69410, 76351, 88340, 97174, 118580, 123676, 138820, 152702, 154595, 176680, 194348, 237160, 242935, 247352, 277640, 305404, 309190, 340109, 381755, 388696, 485870, 534457, 610808, 618380, 680218, 763510, 971740, 1068914, 1236760, 1360436, 1527020, 1700545, 1943480, 2137828, 2672285, 2720872, 3054040, 3401090, 3741199, 4275656, 5344570, 6802180, 7482398, 10689140, 13604360, 14964796, 18705995, 21378280, 29929592, 37411990, 74823980, 149647960]

約数ペア:

[(1, 149647960), (2, 74823980), (4, 37411990), (5, 29929592), (7, 21378280), (8, 18705995), (10, 14964796), (11, 13604360), (14, 10689140), (20, 7482398), (22, 6802180), (28, 5344570), (35, 4275656), (40, 3741199), (44, 3401090), (49, 3054040), (55, 2720872), (56, 2672285), (70, 2137828), (77, 1943480), (88, 1700545), (98, 1527020), (110, 1360436), (121, 1236760), (140, 1068914), (154, 971740), (196, 763510), (220, 680218), (242, 618380), (245, 610808), (280, 534457), (308, 485870), (385, 388696), (392, 381755), (440, 340109), (484, 309190), (490, 305404), (539, 277640), (605, 247352), (616, 242935), (631, 237160), (770, 194348), (847, 176680), (968, 154595), (980, 152702), (1078, 138820), (1210, 123676), (1262, 118580), (1540, 97174), (1694, 88340), (1960, 76351), (2156, 69410), (2420, 61838), (2524, 59290), (2695, 55528), (3080, 48587), (3155, 47432), (3388, 44170), (4235, 35336), (4312, 34705), (4417, 33880), (4840, 30919), (5048, 29645), (5390, 27764), (5929, 25240), (6310, 23716), (6776, 22085), (6941, 21560), (8470, 17668), (8834, 16940), (10780, 13882), (11858, 12620)]