76811560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{691}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 198299520

約数和(自身を除く): 121487960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 691, 794, 1382, 1588, 1985, 2764, 2779, 3176, 3455, 3970, 4837, 5528, 5558, 6910, 7940, 9674, 11116, 13820, 13895, 15880, 19348, 22232, 24185, 27640, 27790, 38696, 48370, 55580, 96740, 111160, 193480, 274327, 548654, 1097308, 1371635, 1920289, 2194616, 2743270, 3840578, 5486540, 7681156, 9601445, 10973080, 15362312, 19202890, 38405780, 76811560]

約数ペア:

[(1, 76811560), (2, 38405780), (4, 19202890), (5, 15362312), (7, 10973080), (8, 9601445), (10, 7681156), (14, 5486540), (20, 3840578), (28, 2743270), (35, 2194616), (40, 1920289), (56, 1371635), (70, 1097308), (140, 548654), (280, 274327), (397, 193480), (691, 111160), (794, 96740), (1382, 55580), (1588, 48370), (1985, 38696), (2764, 27790), (2779, 27640), (3176, 24185), (3455, 22232), (3970, 19348), (4837, 15880), (5528, 13895), (5558, 13820), (6910, 11116), (7940, 9674)]