82579280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:876

約数の個数: 80

約数和(自身を含む): 220700160

約数和(自身を除く): 138120880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 617, 956, 1195, 1234, 1673, 1912, 2390, 2468, 3085, 3346, 3824, 4319, 4780, 4936, 6170, 6692, 8365, 8638, 9560, 9872, 12340, 13384, 16730, 17276, 19120, 21595, 24680, 26768, 33460, 34552, 43190, 49360, 66920, 69104, 86380, 133840, 147463, 172760, 294926, 345520, 589852, 737315, 1032241, 1179704, 1474630, 2064482, 2359408, 2949260, 4128964, 5161205, 5898520, 8257928, 10322410, 11797040, 16515856, 20644820, 41289640, 82579280]

約数ペア:

[(1, 82579280), (2, 41289640), (4, 20644820), (5, 16515856), (7, 11797040), (8, 10322410), (10, 8257928), (14, 5898520), (16, 5161205), (20, 4128964), (28, 2949260), (35, 2359408), (40, 2064482), (56, 1474630), (70, 1179704), (80, 1032241), (112, 737315), (140, 589852), (239, 345520), (280, 294926), (478, 172760), (560, 147463), (617, 133840), (956, 86380), (1195, 69104), (1234, 66920), (1673, 49360), (1912, 43190), (2390, 34552), (2468, 33460), (3085, 26768), (3346, 24680), (3824, 21595), (4319, 19120), (4780, 17276), (4936, 16730), (6170, 13384), (6692, 12340), (8365, 9872), (8638, 9560)]