320788130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6311}}^1$

素因数の和:6371

約数の個数: 64

約数和(自身を含む): 687149568

約数和(自身を除く): 366361438

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 1105, 1495, 1955, 2210, 2990, 3910, 5083, 6311, 10166, 12622, 25415, 31555, 50830, 63110, 82043, 107287, 145153, 164086, 214574, 290306, 410215, 536435, 725765, 820430, 1072870, 1394731, 1451530, 1886989, 2467601, 2789462, 3773978, 4935202, 6973655, 9434945, 12338005, 13947310, 18869890, 24676010, 32078813, 64157626, 160394065, 320788130]

約数ペア:

[(1, 320788130), (2, 160394065), (5, 64157626), (10, 32078813), (13, 24676010), (17, 18869890), (23, 13947310), (26, 12338005), (34, 9434945), (46, 6973655), (65, 4935202), (85, 3773978), (115, 2789462), (130, 2467601), (170, 1886989), (221, 1451530), (230, 1394731), (299, 1072870), (391, 820430), (442, 725765), (598, 536435), (782, 410215), (1105, 290306), (1495, 214574), (1955, 164086), (2210, 145153), (2990, 107287), (3910, 82043), (5083, 63110), (6311, 50830), (10166, 31555), (12622, 25415)]