81611010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23251}}^1$

素因数の和:23280

約数の個数: 64

約数和(自身を含む): 234380160

約数和(自身を除く): 152769150

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 23251, 46502, 69753, 116255, 139506, 209259, 232510, 302263, 348765, 418518, 604526, 627777, 697530, 906789, 1046295, 1255554, 1511315, 1813578, 2092590, 2720367, 3022630, 3138885, 4533945, 5440734, 6277770, 8161101, 9067890, 13601835, 16322202, 27203670, 40805505, 81611010]

約数ペア:

[(1, 81611010), (2, 40805505), (3, 27203670), (5, 16322202), (6, 13601835), (9, 9067890), (10, 8161101), (13, 6277770), (15, 5440734), (18, 4533945), (26, 3138885), (27, 3022630), (30, 2720367), (39, 2092590), (45, 1813578), (54, 1511315), (65, 1255554), (78, 1046295), (90, 906789), (117, 697530), (130, 627777), (135, 604526), (195, 418518), (234, 348765), (270, 302263), (351, 232510), (390, 209259), (585, 139506), (702, 116255), (1170, 69753), (1755, 46502), (3510, 23251)]