71786340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398813}}^1$

素因数の和:398828

約数の個数: 36

約数和(自身を含む): 217752444

約数和(自身を除く): 145966104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398813, 797626, 1196439, 1595252, 1994065, 2392878, 3589317, 3988130, 4785756, 5982195, 7178634, 7976260, 11964390, 14357268, 17946585, 23928780, 35893170, 71786340]

約数ペア:

[(1, 71786340), (2, 35893170), (3, 23928780), (4, 17946585), (5, 14357268), (6, 11964390), (9, 7976260), (10, 7178634), (12, 5982195), (15, 4785756), (18, 3988130), (20, 3589317), (30, 2392878), (36, 1994065), (45, 1595252), (60, 1196439), (90, 797626), (180, 398813)]