1660620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2154

約数の個数: 48

約数和(自身を含む): 5009760

約数和(自身を除く): 3349140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2129, 4258, 6387, 8516, 10645, 12774, 21290, 25548, 27677, 31935, 42580, 55354, 63870, 83031, 110708, 127740, 138385, 166062, 276770, 332124, 415155, 553540, 830310, 1660620]

約数ペア:

[(1, 1660620), (2, 830310), (3, 553540), (4, 415155), (5, 332124), (6, 276770), (10, 166062), (12, 138385), (13, 127740), (15, 110708), (20, 83031), (26, 63870), (30, 55354), (39, 42580), (52, 31935), (60, 27677), (65, 25548), (78, 21290), (130, 12774), (156, 10645), (195, 8516), (260, 6387), (390, 4258), (780, 2129)]