1605420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{991}}^1$

素因数の和:1012

約数の個数: 60

約数和(自身を含む): 5041344

約数和(自身を除く): 3435924

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, 991, 1620, 1982, 2973, 3964, 4955, 5946, 8919, 9910, 11892, 14865, 17838, 19820, 26757, 29730, 35676, 44595, 53514, 59460, 80271, 89190, 107028, 133785, 160542, 178380, 267570, 321084, 401355, 535140, 802710, 1605420]

約数ペア:

[(1, 1605420), (2, 802710), (3, 535140), (4, 401355), (5, 321084), (6, 267570), (9, 178380), (10, 160542), (12, 133785), (15, 107028), (18, 89190), (20, 80271), (27, 59460), (30, 53514), (36, 44595), (45, 35676), (54, 29730), (60, 26757), (81, 19820), (90, 17838), (108, 14865), (135, 11892), (162, 9910), (180, 8919), (270, 5946), (324, 4955), (405, 3964), (540, 2973), (810, 1982), (991, 1620)]