42845720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 100742400

約数和(自身を除く): 57896680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 317, 436, 545, 620, 634, 872, 1090, 1240, 1268, 1585, 2180, 2536, 3170, 3379, 4360, 6340, 6758, 9827, 12680, 13516, 16895, 19654, 27032, 33790, 34553, 39308, 49135, 67580, 69106, 78616, 98270, 135160, 138212, 172765, 196540, 276424, 345530, 393080, 691060, 1071143, 1382120, 2142286, 4284572, 5355715, 8569144, 10711430, 21422860, 42845720]

約数ペア:

[(1, 42845720), (2, 21422860), (4, 10711430), (5, 8569144), (8, 5355715), (10, 4284572), (20, 2142286), (31, 1382120), (40, 1071143), (62, 691060), (109, 393080), (124, 345530), (155, 276424), (218, 196540), (248, 172765), (310, 138212), (317, 135160), (436, 98270), (545, 78616), (620, 69106), (634, 67580), (872, 49135), (1090, 39308), (1240, 34553), (1268, 33790), (1585, 27032), (2180, 19654), (2536, 16895), (3170, 13516), (3379, 12680), (4360, 9827), (6340, 6758)]