285374720

素因数分解:

$2^8\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1973}}^1$

素因数の和:2107

約数の個数: 72

約数和(自身を含む): 689960376

約数和(自身を除く): 404585656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 565, 640, 904, 1130, 1280, 1808, 1973, 2260, 3616, 3946, 4520, 7232, 7892, 9040, 9865, 14464, 15784, 18080, 19730, 28928, 31568, 36160, 39460, 63136, 72320, 78920, 126272, 144640, 157840, 222949, 252544, 315680, 445898, 505088, 631360, 891796, 1114745, 1262720, 1783592, 2229490, 2525440, 3567184, 4458980, 7134368, 8917960, 14268736, 17835920, 28537472, 35671840, 57074944, 71343680, 142687360, 285374720]

約数ペア:

[(1, 285374720), (2, 142687360), (4, 71343680), (5, 57074944), (8, 35671840), (10, 28537472), (16, 17835920), (20, 14268736), (32, 8917960), (40, 7134368), (64, 4458980), (80, 3567184), (113, 2525440), (128, 2229490), (160, 1783592), (226, 1262720), (256, 1114745), (320, 891796), (452, 631360), (565, 505088), (640, 445898), (904, 315680), (1130, 252544), (1280, 222949), (1808, 157840), (1973, 144640), (2260, 126272), (3616, 78920), (3946, 72320), (4520, 63136), (7232, 39460), (7892, 36160), (9040, 31568), (9865, 28928), (14464, 19730), (15784, 18080)]