66975660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13781}}^1$

素因数の和:13805

約数の個数: 72

約数和(自身を含む): 210699216

約数和(自身を除く): 143723556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 13781, 27562, 41343, 55124, 68905, 82686, 124029, 137810, 165372, 206715, 248058, 275620, 372087, 413430, 496116, 620145, 744174, 826860, 1116261, 1240290, 1488348, 1860435, 2232522, 2480580, 3348783, 3720870, 4465044, 5581305, 6697566, 7441740, 11162610, 13395132, 16743915, 22325220, 33487830, 66975660]

約数ペア:

[(1, 66975660), (2, 33487830), (3, 22325220), (4, 16743915), (5, 13395132), (6, 11162610), (9, 7441740), (10, 6697566), (12, 5581305), (15, 4465044), (18, 3720870), (20, 3348783), (27, 2480580), (30, 2232522), (36, 1860435), (45, 1488348), (54, 1240290), (60, 1116261), (81, 826860), (90, 744174), (108, 620145), (135, 496116), (162, 413430), (180, 372087), (243, 275620), (270, 248058), (324, 206715), (405, 165372), (486, 137810), (540, 124029), (810, 82686), (972, 68905), (1215, 55124), (1620, 41343), (2430, 27562), (4860, 13781)]