1678240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 4204872

約数和(自身を除く): 2526632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 617, 680, 1234, 1360, 2468, 2720, 3085, 4936, 6170, 9872, 10489, 12340, 19744, 20978, 24680, 41956, 49360, 52445, 83912, 98720, 104890, 167824, 209780, 335648, 419560, 839120, 1678240]

約数ペア:

[(1, 1678240), (2, 839120), (4, 419560), (5, 335648), (8, 209780), (10, 167824), (16, 104890), (17, 98720), (20, 83912), (32, 52445), (34, 49360), (40, 41956), (68, 24680), (80, 20978), (85, 19744), (136, 12340), (160, 10489), (170, 9872), (272, 6170), (340, 4936), (544, 3085), (617, 2720), (680, 2468), (1234, 1360)]