1631220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 4720128

約数和(自身を除く): 3088908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 877, 930, 1754, 1860, 2631, 3508, 4385, 5262, 8770, 10524, 13155, 17540, 26310, 27187, 52620, 54374, 81561, 108748, 135935, 163122, 271870, 326244, 407805, 543740, 815610, 1631220]

約数ペア:

[(1, 1631220), (2, 815610), (3, 543740), (4, 407805), (5, 326244), (6, 271870), (10, 163122), (12, 135935), (15, 108748), (20, 81561), (30, 54374), (31, 52620), (60, 27187), (62, 26310), (93, 17540), (124, 13155), (155, 10524), (186, 8770), (310, 5262), (372, 4385), (465, 3508), (620, 2631), (877, 1860), (930, 1754)]