72731960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{617}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 187773120

約数和(自身を除く): 115041160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 421, 617, 842, 1234, 1684, 2105, 2468, 2947, 3085, 3368, 4210, 4319, 4936, 5894, 6170, 8420, 8638, 11788, 12340, 14735, 16840, 17276, 21595, 23576, 24680, 29470, 34552, 43190, 58940, 86380, 117880, 172760, 259757, 519514, 1039028, 1298785, 1818299, 2078056, 2597570, 3636598, 5195140, 7273196, 9091495, 10390280, 14546392, 18182990, 36365980, 72731960]

約数ペア:

[(1, 72731960), (2, 36365980), (4, 18182990), (5, 14546392), (7, 10390280), (8, 9091495), (10, 7273196), (14, 5195140), (20, 3636598), (28, 2597570), (35, 2078056), (40, 1818299), (56, 1298785), (70, 1039028), (140, 519514), (280, 259757), (421, 172760), (617, 117880), (842, 86380), (1234, 58940), (1684, 43190), (2105, 34552), (2468, 29470), (2947, 24680), (3085, 23576), (3368, 21595), (4210, 17276), (4319, 16840), (4936, 14735), (5894, 12340), (6170, 11788), (8420, 8638)]