312648640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31517}}^1$

素因数の和:31565

約数の個数: 56

約数和(自身を含む): 768534912

約数和(自身を除く): 455886272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 31517, 63034, 126068, 157585, 252136, 315170, 504272, 630340, 977027, 1008544, 1260680, 1954054, 2017088, 2521360, 3908108, 4885135, 5042720, 7816216, 9770270, 10085440, 15632432, 19540540, 31264864, 39081080, 62529728, 78162160, 156324320, 312648640]

約数ペア:

[(1, 312648640), (2, 156324320), (4, 78162160), (5, 62529728), (8, 39081080), (10, 31264864), (16, 19540540), (20, 15632432), (31, 10085440), (32, 9770270), (40, 7816216), (62, 5042720), (64, 4885135), (80, 3908108), (124, 2521360), (155, 2017088), (160, 1954054), (248, 1260680), (310, 1008544), (320, 977027), (496, 630340), (620, 504272), (992, 315170), (1240, 252136), (1984, 157585), (2480, 126068), (4960, 63034), (9920, 31517)]