64608880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 173363904

約数和(自身を除く): 108755024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1021, 1130, 1582, 1808, 2042, 2260, 3164, 3955, 4084, 4520, 5105, 6328, 7147, 7910, 8168, 9040, 10210, 12656, 14294, 15820, 16336, 20420, 28588, 31640, 35735, 40840, 57176, 63280, 71470, 81680, 114352, 115373, 142940, 230746, 285880, 461492, 571760, 576865, 807611, 922984, 1153730, 1615222, 1845968, 2307460, 3230444, 4038055, 4614920, 6460888, 8076110, 9229840, 12921776, 16152220, 32304440, 64608880]

約数ペア:

[(1, 64608880), (2, 32304440), (4, 16152220), (5, 12921776), (7, 9229840), (8, 8076110), (10, 6460888), (14, 4614920), (16, 4038055), (20, 3230444), (28, 2307460), (35, 1845968), (40, 1615222), (56, 1153730), (70, 922984), (80, 807611), (112, 576865), (113, 571760), (140, 461492), (226, 285880), (280, 230746), (452, 142940), (560, 115373), (565, 114352), (791, 81680), (904, 71470), (1021, 63280), (1130, 57176), (1582, 40840), (1808, 35735), (2042, 31640), (2260, 28588), (3164, 20420), (3955, 16336), (4084, 15820), (4520, 14294), (5105, 12656), (6328, 10210), (7147, 9040), (7910, 8168)]