640961952

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5821}}^1$

素因数の和:5902

約数の個数: 96

約数和(自身を含む): 1784047104

約数和(自身を除く): 1143085152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 48, 62, 74, 93, 96, 111, 124, 148, 186, 222, 248, 296, 372, 444, 496, 592, 744, 888, 992, 1147, 1184, 1488, 1776, 2294, 2976, 3441, 3552, 4588, 5821, 6882, 9176, 11642, 13764, 17463, 18352, 23284, 27528, 34926, 36704, 46568, 55056, 69852, 93136, 110112, 139704, 180451, 186272, 215377, 279408, 360902, 430754, 541353, 558816, 646131, 721804, 861508, 1082706, 1292262, 1443608, 1723016, 2165412, 2584524, 2887216, 3446032, 4330824, 5169048, 5774432, 6676687, 6892064, 8661648, 10338096, 13353374, 17323296, 20030061, 20676192, 26706748, 40060122, 53413496, 80120244, 106826992, 160240488, 213653984, 320480976, 640961952]

約数ペア:

[(1, 640961952), (2, 320480976), (3, 213653984), (4, 160240488), (6, 106826992), (8, 80120244), (12, 53413496), (16, 40060122), (24, 26706748), (31, 20676192), (32, 20030061), (37, 17323296), (48, 13353374), (62, 10338096), (74, 8661648), (93, 6892064), (96, 6676687), (111, 5774432), (124, 5169048), (148, 4330824), (186, 3446032), (222, 2887216), (248, 2584524), (296, 2165412), (372, 1723016), (444, 1443608), (496, 1292262), (592, 1082706), (744, 861508), (888, 721804), (992, 646131), (1147, 558816), (1184, 541353), (1488, 430754), (1776, 360902), (2294, 279408), (2976, 215377), (3441, 186272), (3552, 180451), (4588, 139704), (5821, 110112), (6882, 93136), (9176, 69852), (11642, 55056), (13764, 46568), (17463, 36704), (18352, 34926), (23284, 27528)]