1640580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 4724160

約数和(自身を除く): 3083580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 739, 740, 1110, 1478, 2217, 2220, 2956, 3695, 4434, 7390, 8868, 11085, 14780, 22170, 27343, 44340, 54686, 82029, 109372, 136715, 164058, 273430, 328116, 410145, 546860, 820290, 1640580]

約数ペア:

[(1, 1640580), (2, 820290), (3, 546860), (4, 410145), (5, 328116), (6, 273430), (10, 164058), (12, 136715), (15, 109372), (20, 82029), (30, 54686), (37, 44340), (60, 27343), (74, 22170), (111, 14780), (148, 11085), (185, 8868), (222, 7390), (370, 4434), (444, 3695), (555, 2956), (739, 2220), (740, 2217), (1110, 1478)]