866713040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2539}}^1$

素因数の和:2820

約数の個数: 80

約数和(自身を含む): 2142987840

約数和(自身を除く): 1276274800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 251, 272, 340, 502, 680, 1004, 1255, 1360, 2008, 2510, 2539, 4016, 4267, 5020, 5078, 8534, 10040, 10156, 12695, 17068, 20080, 20312, 21335, 25390, 34136, 40624, 42670, 43163, 50780, 68272, 85340, 86326, 101560, 170680, 172652, 203120, 215815, 341360, 345304, 431630, 637289, 690608, 863260, 1274578, 1726520, 2549156, 3186445, 3453040, 5098312, 6372890, 10196624, 10833913, 12745780, 21667826, 25491560, 43335652, 50983120, 54169565, 86671304, 108339130, 173342608, 216678260, 433356520, 866713040]

約数ペア:

[(1, 866713040), (2, 433356520), (4, 216678260), (5, 173342608), (8, 108339130), (10, 86671304), (16, 54169565), (17, 50983120), (20, 43335652), (34, 25491560), (40, 21667826), (68, 12745780), (80, 10833913), (85, 10196624), (136, 6372890), (170, 5098312), (251, 3453040), (272, 3186445), (340, 2549156), (502, 1726520), (680, 1274578), (1004, 863260), (1255, 690608), (1360, 637289), (2008, 431630), (2510, 345304), (2539, 341360), (4016, 215815), (4267, 203120), (5020, 172652), (5078, 170680), (8534, 101560), (10040, 86326), (10156, 85340), (12695, 68272), (17068, 50780), (20080, 43163), (20312, 42670), (21335, 40624), (25390, 34136)]