7664440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 20367360

約数和(自身を除く): 12702920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 883, 1085, 1240, 1736, 1766, 2170, 3532, 4340, 4415, 6181, 7064, 8680, 8830, 12362, 17660, 24724, 27373, 30905, 35320, 49448, 54746, 61810, 109492, 123620, 136865, 191611, 218984, 247240, 273730, 383222, 547460, 766444, 958055, 1094920, 1532888, 1916110, 3832220, 7664440]

約数ペア:

[(1, 7664440), (2, 3832220), (4, 1916110), (5, 1532888), (7, 1094920), (8, 958055), (10, 766444), (14, 547460), (20, 383222), (28, 273730), (31, 247240), (35, 218984), (40, 191611), (56, 136865), (62, 123620), (70, 109492), (124, 61810), (140, 54746), (155, 49448), (217, 35320), (248, 30905), (280, 27373), (310, 24724), (434, 17660), (620, 12362), (868, 8830), (883, 8680), (1085, 7064), (1240, 6181), (1736, 4415), (1766, 4340), (2170, 3532)]