28260780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1423}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 79425024

約数和(自身を除く): 51164244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1423, 1655, 1986, 2846, 3310, 3972, 4269, 4965, 5692, 6620, 7115, 8538, 9930, 14230, 17076, 19860, 21345, 28460, 42690, 85380, 471013, 942026, 1413039, 1884052, 2355065, 2826078, 4710130, 5652156, 7065195, 9420260, 14130390, 28260780]

約数ペア:

[(1, 28260780), (2, 14130390), (3, 9420260), (4, 7065195), (5, 5652156), (6, 4710130), (10, 2826078), (12, 2355065), (15, 1884052), (20, 1413039), (30, 942026), (60, 471013), (331, 85380), (662, 42690), (993, 28460), (1324, 21345), (1423, 19860), (1655, 17076), (1986, 14230), (2846, 9930), (3310, 8538), (3972, 7115), (4269, 6620), (4965, 5692)]