157791760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40253}}^1$

素因数の和:40280

約数の個数: 60

約数和(自身を含む): 426772908

約数和(自身を除く): 268981148

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 40253, 80506, 161012, 201265, 281771, 322024, 402530, 563542, 644048, 805060, 1127084, 1408855, 1610120, 1972397, 2254168, 2817710, 3220240, 3944794, 4508336, 5635420, 7889588, 9861985, 11270840, 15779176, 19723970, 22541680, 31558352, 39447940, 78895880, 157791760]

約数ペア:

[(1, 157791760), (2, 78895880), (4, 39447940), (5, 31558352), (7, 22541680), (8, 19723970), (10, 15779176), (14, 11270840), (16, 9861985), (20, 7889588), (28, 5635420), (35, 4508336), (40, 3944794), (49, 3220240), (56, 2817710), (70, 2254168), (80, 1972397), (98, 1610120), (112, 1408855), (140, 1127084), (196, 805060), (245, 644048), (280, 563542), (392, 402530), (490, 322024), (560, 281771), (784, 201265), (980, 161012), (1960, 80506), (3920, 40253)]