64615160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 151787520

約数和(自身を除く): 87172360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 487, 535, 620, 856, 974, 1070, 1240, 1948, 2140, 2435, 3317, 3896, 4280, 4870, 6634, 9740, 13268, 15097, 16585, 19480, 26536, 30194, 33170, 52109, 60388, 66340, 75485, 104218, 120776, 132680, 150970, 208436, 260545, 301940, 416872, 521090, 603880, 1042180, 1615379, 2084360, 3230758, 6461516, 8076895, 12923032, 16153790, 32307580, 64615160]

約数ペア:

[(1, 64615160), (2, 32307580), (4, 16153790), (5, 12923032), (8, 8076895), (10, 6461516), (20, 3230758), (31, 2084360), (40, 1615379), (62, 1042180), (107, 603880), (124, 521090), (155, 416872), (214, 301940), (248, 260545), (310, 208436), (428, 150970), (487, 132680), (535, 120776), (620, 104218), (856, 75485), (974, 66340), (1070, 60388), (1240, 52109), (1948, 33170), (2140, 30194), (2435, 26536), (3317, 19480), (3896, 16585), (4280, 15097), (4870, 13268), (6634, 9740)]