85408020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{52721}}^1$

素因数の和:52742

約数の個数: 60

約数和(自身を含む): 267933204

約数和(自身を除く): 182525184

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, 270, 324, 405, 540, 810, 1620, 52721, 105442, 158163, 210884, 263605, 316326, 474489, 527210, 632652, 790815, 948978, 1054420, 1423467, 1581630, 1897956, 2372445, 2846934, 3163260, 4270401, 4744890, 5693868, 7117335, 8540802, 9489780, 14234670, 17081604, 21352005, 28469340, 42704010, 85408020]

約数ペア:

[(1, 85408020), (2, 42704010), (3, 28469340), (4, 21352005), (5, 17081604), (6, 14234670), (9, 9489780), (10, 8540802), (12, 7117335), (15, 5693868), (18, 4744890), (20, 4270401), (27, 3163260), (30, 2846934), (36, 2372445), (45, 1897956), (54, 1581630), (60, 1423467), (81, 1054420), (90, 948978), (108, 790815), (135, 632652), (162, 527210), (180, 474489), (270, 316326), (324, 263605), (405, 210884), (540, 158163), (810, 105442), (1620, 52721)]