123562720

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 302097600

約数和(自身を除く): 178534880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 73, 80, 142, 146, 149, 160, 284, 292, 298, 355, 365, 568, 584, 596, 710, 730, 745, 1136, 1168, 1192, 1420, 1460, 1490, 2272, 2336, 2384, 2840, 2920, 2980, 4768, 5183, 5680, 5840, 5960, 10366, 10579, 10877, 11360, 11680, 11920, 20732, 21158, 21754, 23840, 25915, 41464, 42316, 43508, 51830, 52895, 54385, 82928, 84632, 87016, 103660, 105790, 108770, 165856, 169264, 174032, 207320, 211580, 217540, 338528, 348064, 414640, 423160, 435080, 772267, 829280, 846320, 870160, 1544534, 1692640, 1740320, 3089068, 3861335, 6178136, 7722670, 12356272, 15445340, 24712544, 30890680, 61781360, 123562720]

約数ペア:

[(1, 123562720), (2, 61781360), (4, 30890680), (5, 24712544), (8, 15445340), (10, 12356272), (16, 7722670), (20, 6178136), (32, 3861335), (40, 3089068), (71, 1740320), (73, 1692640), (80, 1544534), (142, 870160), (146, 846320), (149, 829280), (160, 772267), (284, 435080), (292, 423160), (298, 414640), (355, 348064), (365, 338528), (568, 217540), (584, 211580), (596, 207320), (710, 174032), (730, 169264), (745, 165856), (1136, 108770), (1168, 105790), (1192, 103660), (1420, 87016), (1460, 84632), (1490, 82928), (2272, 54385), (2336, 52895), (2384, 51830), (2840, 43508), (2920, 42316), (2980, 41464), (4768, 25915), (5183, 23840), (5680, 21754), (5840, 21158), (5960, 20732), (10366, 11920), (10579, 11680), (10877, 11360)]