27824440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 73244160

約数和(自身を除く): 45419720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2311, 2408, 3010, 4622, 6020, 9244, 11555, 12040, 16177, 18488, 23110, 32354, 46220, 64708, 80885, 92440, 99373, 129416, 161770, 198746, 323540, 397492, 496865, 647080, 695611, 794984, 993730, 1391222, 1987460, 2782444, 3478055, 3974920, 5564888, 6956110, 13912220, 27824440]

約数ペア:

[(1, 27824440), (2, 13912220), (4, 6956110), (5, 5564888), (7, 3974920), (8, 3478055), (10, 2782444), (14, 1987460), (20, 1391222), (28, 993730), (35, 794984), (40, 695611), (43, 647080), (56, 496865), (70, 397492), (86, 323540), (140, 198746), (172, 161770), (215, 129416), (280, 99373), (301, 92440), (344, 80885), (430, 64708), (602, 46220), (860, 32354), (1204, 23110), (1505, 18488), (1720, 16177), (2311, 12040), (2408, 11555), (3010, 9244), (4622, 6020)]