64163320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 156633120

約数和(自身を除く): 92469800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 757, 815, 1304, 1514, 1630, 2119, 3028, 3260, 3785, 4238, 6056, 6520, 7570, 8476, 9841, 10595, 15140, 16952, 19682, 21190, 30280, 39364, 42380, 49205, 78728, 84760, 98410, 123391, 196820, 246782, 393640, 493564, 616955, 987128, 1233910, 1604083, 2467820, 3208166, 4935640, 6416332, 8020415, 12832664, 16040830, 32081660, 64163320]

約数ペア:

[(1, 64163320), (2, 32081660), (4, 16040830), (5, 12832664), (8, 8020415), (10, 6416332), (13, 4935640), (20, 3208166), (26, 2467820), (40, 1604083), (52, 1233910), (65, 987128), (104, 616955), (130, 493564), (163, 393640), (260, 246782), (326, 196820), (520, 123391), (652, 98410), (757, 84760), (815, 78728), (1304, 49205), (1514, 42380), (1630, 39364), (2119, 30280), (3028, 21190), (3260, 19682), (3785, 16952), (4238, 15140), (6056, 10595), (6520, 9841), (7570, 8476)]