81595640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3511}}^1$

素因数の和:3612

約数の個数: 64

約数和(自身を含む): 212405760

約数和(自身を除く): 130810120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 3511, 4648, 5810, 7022, 11620, 14044, 17555, 23240, 24577, 28088, 35110, 49154, 70220, 98308, 122885, 140440, 196616, 245770, 291413, 491540, 582826, 983080, 1165652, 1457065, 2039891, 2331304, 2914130, 4079782, 5828260, 8159564, 10199455, 11656520, 16319128, 20398910, 40797820, 81595640]

約数ペア:

[(1, 81595640), (2, 40797820), (4, 20398910), (5, 16319128), (7, 11656520), (8, 10199455), (10, 8159564), (14, 5828260), (20, 4079782), (28, 2914130), (35, 2331304), (40, 2039891), (56, 1457065), (70, 1165652), (83, 983080), (140, 582826), (166, 491540), (280, 291413), (332, 245770), (415, 196616), (581, 140440), (664, 122885), (830, 98308), (1162, 70220), (1660, 49154), (2324, 35110), (2905, 28088), (3320, 24577), (3511, 23240), (4648, 17555), (5810, 14044), (7022, 11620)]