64121620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1831}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 144039168

約数和(自身を除く): 79917548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 1831, 2060, 3502, 3662, 7004, 7324, 8755, 9155, 17510, 18310, 31127, 35020, 36620, 62254, 124508, 155635, 188593, 311270, 377186, 622540, 754372, 942965, 1885930, 3206081, 3771860, 6412162, 12824324, 16030405, 32060810, 64121620]

約数ペア:

[(1, 64121620), (2, 32060810), (4, 16030405), (5, 12824324), (10, 6412162), (17, 3771860), (20, 3206081), (34, 1885930), (68, 942965), (85, 754372), (103, 622540), (170, 377186), (206, 311270), (340, 188593), (412, 155635), (515, 124508), (1030, 62254), (1751, 36620), (1831, 35020), (2060, 31127), (3502, 18310), (3662, 17510), (7004, 9155), (7324, 8755)]