1309060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 2968560

約数和(自身を除く): 1659500

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 61, 74, 116, 122, 145, 148, 185, 244, 290, 305, 370, 580, 610, 740, 1073, 1220, 1769, 2146, 2257, 3538, 4292, 4514, 5365, 7076, 8845, 9028, 10730, 11285, 17690, 21460, 22570, 35380, 45140, 65453, 130906, 261812, 327265, 654530, 1309060]

約数ペア:

[(1, 1309060), (2, 654530), (4, 327265), (5, 261812), (10, 130906), (20, 65453), (29, 45140), (37, 35380), (58, 22570), (61, 21460), (74, 17690), (116, 11285), (122, 10730), (145, 9028), (148, 8845), (185, 7076), (244, 5365), (290, 4514), (305, 4292), (370, 3538), (580, 2257), (610, 2146), (740, 1769), (1073, 1220)]