80813520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112241}}^1$

素因数の和:112260

約数の個数: 60

約数和(自身を含む): 271401156

約数和(自身を除く): 190587636

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112241, 224482, 336723, 448964, 561205, 673446, 897928, 1010169, 1122410, 1346892, 1683615, 1795856, 2020338, 2244820, 2693784, 3367230, 4040676, 4489640, 5050845, 5387568, 6734460, 8081352, 8979280, 10101690, 13468920, 16162704, 20203380, 26937840, 40406760, 80813520]

約数ペア:

[(1, 80813520), (2, 40406760), (3, 26937840), (4, 20203380), (5, 16162704), (6, 13468920), (8, 10101690), (9, 8979280), (10, 8081352), (12, 6734460), (15, 5387568), (16, 5050845), (18, 4489640), (20, 4040676), (24, 3367230), (30, 2693784), (36, 2244820), (40, 2020338), (45, 1795856), (48, 1683615), (60, 1346892), (72, 1122410), (80, 1010169), (90, 897928), (120, 673446), (144, 561205), (180, 448964), (240, 336723), (360, 224482), (720, 112241)]