1638660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 4741632

約数和(自身を除く): 3102972

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, 881, 930, 1762, 1860, 2643, 3524, 4405, 5286, 8810, 10572, 13215, 17620, 26430, 27311, 52860, 54622, 81933, 109244, 136555, 163866, 273110, 327732, 409665, 546220, 819330, 1638660]

約数ペア:

[(1, 1638660), (2, 819330), (3, 546220), (4, 409665), (5, 327732), (6, 273110), (10, 163866), (12, 136555), (15, 109244), (20, 81933), (30, 54622), (31, 52860), (60, 27311), (62, 26430), (93, 17620), (124, 13215), (155, 10572), (186, 8810), (310, 5286), (372, 4405), (465, 3524), (620, 2643), (881, 1860), (930, 1762)]