31174640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 83566080

約数和(自身を除く): 52391440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 311, 358, 560, 622, 716, 895, 1244, 1253, 1432, 1555, 1790, 2177, 2488, 2506, 2864, 3110, 3580, 4354, 4976, 5012, 6220, 6265, 7160, 8708, 10024, 10885, 12440, 12530, 14320, 17416, 20048, 21770, 24880, 25060, 34832, 43540, 50120, 55669, 87080, 100240, 111338, 174160, 222676, 278345, 389683, 445352, 556690, 779366, 890704, 1113380, 1558732, 1948415, 2226760, 3117464, 3896830, 4453520, 6234928, 7793660, 15587320, 31174640]

約数ペア:

[(1, 31174640), (2, 15587320), (4, 7793660), (5, 6234928), (7, 4453520), (8, 3896830), (10, 3117464), (14, 2226760), (16, 1948415), (20, 1558732), (28, 1113380), (35, 890704), (40, 779366), (56, 556690), (70, 445352), (80, 389683), (112, 278345), (140, 222676), (179, 174160), (280, 111338), (311, 100240), (358, 87080), (560, 55669), (622, 50120), (716, 43540), (895, 34832), (1244, 25060), (1253, 24880), (1432, 21770), (1555, 20048), (1790, 17416), (2177, 14320), (2488, 12530), (2506, 12440), (2864, 10885), (3110, 10024), (3580, 8708), (4354, 7160), (4976, 6265), (5012, 6220)]