1293855961880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{1581499}}^1$

素因数の和:1581804

約数の個数: 64

約数和(自身を含む): 2953166580000

約数和(自身を除く): 1659310618120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 181, 226, 362, 452, 565, 724, 904, 905, 1130, 1448, 1810, 2260, 3620, 4520, 7240, 20453, 40906, 81812, 102265, 163624, 204530, 409060, 818120, 1581499, 3162998, 6325996, 7907495, 12651992, 15814990, 31629980, 63259960, 178709387, 286251319, 357418774, 572502638, 714837548, 893546935, 1145005276, 1429675096, 1431256595, 1787093870, 2290010552, 2862513190, 3574187740, 5725026380, 7148375480, 11450052760, 32346399047, 64692798094, 129385596188, 161731995235, 258771192376, 323463990470, 646927980940, 1293855961880]

約数ペア:

[(1, 1293855961880), (2, 646927980940), (4, 323463990470), (5, 258771192376), (8, 161731995235), (10, 129385596188), (20, 64692798094), (40, 32346399047), (113, 11450052760), (181, 7148375480), (226, 5725026380), (362, 3574187740), (452, 2862513190), (565, 2290010552), (724, 1787093870), (904, 1431256595), (905, 1429675096), (1130, 1145005276), (1448, 893546935), (1810, 714837548), (2260, 572502638), (3620, 357418774), (4520, 286251319), (7240, 178709387), (20453, 63259960), (40906, 31629980), (81812, 15814990), (102265, 12651992), (163624, 7907495), (204530, 6325996), (409060, 3162998), (818120, 1581499)]