83831940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10831}}^1$

素因数の和:10889

約数の個数: 72

約数和(自身を含む): 260227968

約数和(自身を除く): 176396028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 10831, 21662, 32493, 43324, 54155, 64986, 97479, 108310, 129972, 162465, 194958, 216620, 324930, 389916, 465733, 487395, 649860, 931466, 974790, 1397199, 1862932, 1949580, 2328665, 2794398, 4191597, 4657330, 5588796, 6985995, 8383194, 9314660, 13971990, 16766388, 20957985, 27943980, 41915970, 83831940]

約数ペア:

[(1, 83831940), (2, 41915970), (3, 27943980), (4, 20957985), (5, 16766388), (6, 13971990), (9, 9314660), (10, 8383194), (12, 6985995), (15, 5588796), (18, 4657330), (20, 4191597), (30, 2794398), (36, 2328665), (43, 1949580), (45, 1862932), (60, 1397199), (86, 974790), (90, 931466), (129, 649860), (172, 487395), (180, 465733), (215, 389916), (258, 324930), (387, 216620), (430, 194958), (516, 162465), (645, 129972), (774, 108310), (860, 97479), (1290, 64986), (1548, 54155), (1935, 43324), (2580, 32493), (3870, 21662), (7740, 10831)]