138981720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1223}}^1$

素因数の和:2184

約数の個数: 64

約数和(自身を含む): 417726720

約数和(自身を除く): 278745000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 947, 1223, 1894, 2446, 2841, 3669, 3788, 4735, 4892, 5682, 6115, 7338, 7576, 9470, 9784, 11364, 12230, 14205, 14676, 18345, 18940, 22728, 24460, 28410, 29352, 36690, 37880, 48920, 56820, 73380, 113640, 146760, 1158181, 2316362, 3474543, 4632724, 5790905, 6949086, 9265448, 11581810, 13898172, 17372715, 23163620, 27796344, 34745430, 46327240, 69490860, 138981720]

約数ペア:

[(1, 138981720), (2, 69490860), (3, 46327240), (4, 34745430), (5, 27796344), (6, 23163620), (8, 17372715), (10, 13898172), (12, 11581810), (15, 9265448), (20, 6949086), (24, 5790905), (30, 4632724), (40, 3474543), (60, 2316362), (120, 1158181), (947, 146760), (1223, 113640), (1894, 73380), (2446, 56820), (2841, 48920), (3669, 37880), (3788, 36690), (4735, 29352), (4892, 28410), (5682, 24460), (6115, 22728), (7338, 18940), (7576, 18345), (9470, 14676), (9784, 14205), (11364, 12230)]