1285860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 3729600

約数和(自身を除く): 2443740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 739, 870, 1478, 1740, 2217, 2956, 3695, 4434, 7390, 8868, 11085, 14780, 21431, 22170, 42862, 44340, 64293, 85724, 107155, 128586, 214310, 257172, 321465, 428620, 642930, 1285860]

約数ペア:

[(1, 1285860), (2, 642930), (3, 428620), (4, 321465), (5, 257172), (6, 214310), (10, 128586), (12, 107155), (15, 85724), (20, 64293), (29, 44340), (30, 42862), (58, 22170), (60, 21431), (87, 14780), (116, 11085), (145, 8868), (174, 7390), (290, 4434), (348, 3695), (435, 2956), (580, 2217), (739, 1740), (870, 1478)]