128621220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23557}}^1$

素因数の和:23589

約数の個数: 96

約数和(自身を含む): 443267328

約数和(自身を除く): 314646108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 23557, 47114, 70671, 94228, 117785, 141342, 164899, 235570, 282684, 306241, 329798, 353355, 471140, 494697, 612482, 659596, 706710, 824495, 918723, 989394, 1224964, 1413420, 1531205, 1648990, 1837446, 1978788, 2143687, 2473485, 3062410, 3297980, 3674892, 4287374, 4593615, 4946970, 6124820, 6431061, 8574748, 9187230, 9893940, 10718435, 12862122, 18374460, 21436870, 25724244, 32155305, 42873740, 64310610, 128621220]

約数ペア:

[(1, 128621220), (2, 64310610), (3, 42873740), (4, 32155305), (5, 25724244), (6, 21436870), (7, 18374460), (10, 12862122), (12, 10718435), (13, 9893940), (14, 9187230), (15, 8574748), (20, 6431061), (21, 6124820), (26, 4946970), (28, 4593615), (30, 4287374), (35, 3674892), (39, 3297980), (42, 3062410), (52, 2473485), (60, 2143687), (65, 1978788), (70, 1837446), (78, 1648990), (84, 1531205), (91, 1413420), (105, 1224964), (130, 989394), (140, 918723), (156, 824495), (182, 706710), (195, 659596), (210, 612482), (260, 494697), (273, 471140), (364, 353355), (390, 329798), (420, 306241), (455, 282684), (546, 235570), (780, 164899), (910, 141342), (1092, 117785), (1365, 94228), (1820, 70671), (2730, 47114), (5460, 23557)]