1212559880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{88379}}^1$

素因数の和:88411

約数の個数: 64

約数和(自身を含む): 3181680000

約数和(自身を除く): 1969120120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 88379, 176758, 353516, 441895, 618653, 707032, 883790, 1237306, 1767580, 2474612, 3093265, 3535160, 4330571, 4949224, 6186530, 8661142, 12373060, 17322284, 21652855, 24746120, 30313997, 34644568, 43305710, 60627994, 86611420, 121255988, 151569985, 173222840, 242511976, 303139970, 606279940, 1212559880]

約数ペア:

[(1, 1212559880), (2, 606279940), (4, 303139970), (5, 242511976), (7, 173222840), (8, 151569985), (10, 121255988), (14, 86611420), (20, 60627994), (28, 43305710), (35, 34644568), (40, 30313997), (49, 24746120), (56, 21652855), (70, 17322284), (98, 12373060), (140, 8661142), (196, 6186530), (245, 4949224), (280, 4330571), (343, 3535160), (392, 3093265), (490, 2474612), (686, 1767580), (980, 1237306), (1372, 883790), (1715, 707032), (1960, 618653), (2744, 441895), (3430, 353516), (6860, 176758), (13720, 88379)]