87796960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{571}}^1$

素因数の和:648

約数の個数: 72

約数和(自身を含む): 214702488

約数和(自身を除く): 126905528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 571, 620, 961, 992, 1142, 1240, 1922, 2284, 2480, 2855, 3844, 4568, 4805, 4960, 5710, 7688, 9136, 9610, 11420, 15376, 17701, 18272, 19220, 22840, 30752, 35402, 38440, 45680, 70804, 76880, 88505, 91360, 141608, 153760, 177010, 283216, 354020, 548731, 566432, 708040, 1097462, 1416080, 2194924, 2743655, 2832160, 4389848, 5487310, 8779696, 10974620, 17559392, 21949240, 43898480, 87796960]

約数ペア:

[(1, 87796960), (2, 43898480), (4, 21949240), (5, 17559392), (8, 10974620), (10, 8779696), (16, 5487310), (20, 4389848), (31, 2832160), (32, 2743655), (40, 2194924), (62, 1416080), (80, 1097462), (124, 708040), (155, 566432), (160, 548731), (248, 354020), (310, 283216), (496, 177010), (571, 153760), (620, 141608), (961, 91360), (992, 88505), (1142, 76880), (1240, 70804), (1922, 45680), (2284, 38440), (2480, 35402), (2855, 30752), (3844, 22840), (4568, 19220), (4805, 18272), (4960, 17701), (5710, 15376), (7688, 11420), (9136, 9610)]