72751120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5381}}^1$

素因数の和:5420

約数の個数: 60

約数和(自身を含む): 183192516

約数和(自身を除く): 110441396

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 5381, 6760, 10762, 13520, 21524, 26905, 43048, 53810, 69953, 86096, 107620, 139906, 215240, 279812, 349765, 430480, 559624, 699530, 909389, 1119248, 1399060, 1818778, 2798120, 3637556, 4546945, 5596240, 7275112, 9093890, 14550224, 18187780, 36375560, 72751120]

約数ペア:

[(1, 72751120), (2, 36375560), (4, 18187780), (5, 14550224), (8, 9093890), (10, 7275112), (13, 5596240), (16, 4546945), (20, 3637556), (26, 2798120), (40, 1818778), (52, 1399060), (65, 1119248), (80, 909389), (104, 699530), (130, 559624), (169, 430480), (208, 349765), (260, 279812), (338, 215240), (520, 139906), (676, 107620), (845, 86096), (1040, 69953), (1352, 53810), (1690, 43048), (2704, 26905), (3380, 21524), (5381, 13520), (6760, 10762)]