128698840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3571}}^1$

素因数の和:3652

約数の個数: 64

約数和(自身を含む): 312478560

約数和(自身を除く): 183779720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3571, 3604, 4505, 7142, 7208, 9010, 14284, 17855, 18020, 28568, 35710, 36040, 60707, 71420, 121414, 142840, 189263, 242828, 303535, 378526, 485656, 607070, 757052, 946315, 1214140, 1514104, 1892630, 2428280, 3217471, 3785260, 6434942, 7570520, 12869884, 16087355, 25739768, 32174710, 64349420, 128698840]

約数ペア:

[(1, 128698840), (2, 64349420), (4, 32174710), (5, 25739768), (8, 16087355), (10, 12869884), (17, 7570520), (20, 6434942), (34, 3785260), (40, 3217471), (53, 2428280), (68, 1892630), (85, 1514104), (106, 1214140), (136, 946315), (170, 757052), (212, 607070), (265, 485656), (340, 378526), (424, 303535), (530, 242828), (680, 189263), (901, 142840), (1060, 121414), (1802, 71420), (2120, 60707), (3571, 36040), (3604, 35710), (4505, 28568), (7142, 18020), (7208, 17855), (9010, 14284)]