138889120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 96

約数和(自身を含む): 349045200

約数和(自身を除く): 210156080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 74, 80, 116, 145, 148, 160, 185, 232, 290, 296, 370, 464, 580, 592, 740, 809, 928, 1073, 1160, 1184, 1480, 1618, 2146, 2320, 2960, 3236, 4045, 4292, 4640, 5365, 5920, 6472, 8090, 8584, 10730, 12944, 16180, 17168, 21460, 23461, 25888, 29933, 32360, 34336, 42920, 46922, 59866, 64720, 85840, 93844, 117305, 119732, 129440, 149665, 171680, 187688, 234610, 239464, 299330, 375376, 469220, 478928, 598660, 750752, 868057, 938440, 957856, 1197320, 1736114, 1876880, 2394640, 3472228, 3753760, 4340285, 4789280, 6944456, 8680570, 13888912, 17361140, 27777824, 34722280, 69444560, 138889120]

約数ペア:

[(1, 138889120), (2, 69444560), (4, 34722280), (5, 27777824), (8, 17361140), (10, 13888912), (16, 8680570), (20, 6944456), (29, 4789280), (32, 4340285), (37, 3753760), (40, 3472228), (58, 2394640), (74, 1876880), (80, 1736114), (116, 1197320), (145, 957856), (148, 938440), (160, 868057), (185, 750752), (232, 598660), (290, 478928), (296, 469220), (370, 375376), (464, 299330), (580, 239464), (592, 234610), (740, 187688), (809, 171680), (928, 149665), (1073, 129440), (1160, 119732), (1184, 117305), (1480, 93844), (1618, 85840), (2146, 64720), (2320, 59866), (2960, 46922), (3236, 42920), (4045, 34336), (4292, 32360), (4640, 29933), (5365, 25888), (5920, 23461), (6472, 21460), (8090, 17168), (8584, 16180), (10730, 12944)]