1238240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 2993760

約数和(自身を除く): 1755520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 109, 142, 160, 218, 284, 355, 436, 545, 568, 710, 872, 1090, 1136, 1420, 1744, 2180, 2272, 2840, 3488, 4360, 5680, 7739, 8720, 11360, 15478, 17440, 30956, 38695, 61912, 77390, 123824, 154780, 247648, 309560, 619120, 1238240]

約数ペア:

[(1, 1238240), (2, 619120), (4, 309560), (5, 247648), (8, 154780), (10, 123824), (16, 77390), (20, 61912), (32, 38695), (40, 30956), (71, 17440), (80, 15478), (109, 11360), (142, 8720), (160, 7739), (218, 5680), (284, 4360), (355, 3488), (436, 2840), (545, 2272), (568, 2180), (710, 1744), (872, 1420), (1090, 1136)]