641335240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{176191}}^1$

素因数の和:176222

約数の個数: 64

約数和(自身を含む): 1776015360

約数和(自身を除く): 1134680120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 176191, 352382, 704764, 880955, 1233337, 1409528, 1761910, 2290483, 2466674, 3523820, 4580966, 4933348, 6166685, 7047640, 9161932, 9866696, 11452415, 12333370, 16033381, 18323864, 22904830, 24666740, 32066762, 45809660, 49333480, 64133524, 80166905, 91619320, 128267048, 160333810, 320667620, 641335240]

約数ペア:

[(1, 641335240), (2, 320667620), (4, 160333810), (5, 128267048), (7, 91619320), (8, 80166905), (10, 64133524), (13, 49333480), (14, 45809660), (20, 32066762), (26, 24666740), (28, 22904830), (35, 18323864), (40, 16033381), (52, 12333370), (56, 11452415), (65, 9866696), (70, 9161932), (91, 7047640), (104, 6166685), (130, 4933348), (140, 4580966), (182, 3523820), (260, 2466674), (280, 2290483), (364, 1761910), (455, 1409528), (520, 1233337), (728, 880955), (910, 704764), (1820, 352382), (3640, 176191)]