57487280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 140616000

約数和(自身を除く): 83128720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 349, 355, 464, 568, 580, 698, 710, 1136, 1160, 1396, 1420, 1745, 2059, 2320, 2792, 2840, 3490, 4118, 5584, 5680, 6980, 8236, 10121, 10295, 13960, 16472, 20242, 20590, 24779, 27920, 32944, 40484, 41180, 49558, 50605, 80968, 82360, 99116, 101210, 123895, 161936, 164720, 198232, 202420, 247790, 396464, 404840, 495580, 718591, 809680, 991160, 1437182, 1982320, 2874364, 3592955, 5748728, 7185910, 11497456, 14371820, 28743640, 57487280]

約数ペア:

[(1, 57487280), (2, 28743640), (4, 14371820), (5, 11497456), (8, 7185910), (10, 5748728), (16, 3592955), (20, 2874364), (29, 1982320), (40, 1437182), (58, 991160), (71, 809680), (80, 718591), (116, 495580), (142, 404840), (145, 396464), (232, 247790), (284, 202420), (290, 198232), (349, 164720), (355, 161936), (464, 123895), (568, 101210), (580, 99116), (698, 82360), (710, 80968), (1136, 50605), (1160, 49558), (1396, 41180), (1420, 40484), (1745, 32944), (2059, 27920), (2320, 24779), (2792, 20590), (2840, 20242), (3490, 16472), (4118, 13960), (5584, 10295), (5680, 10121), (6980, 8236)]