8649420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{853}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 26255376

約数和(自身を除く): 17605956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 853, 1014, 1690, 1706, 2028, 2535, 2559, 3380, 3412, 4265, 5070, 5118, 8530, 10140, 10236, 11089, 12795, 17060, 22178, 25590, 33267, 44356, 51180, 55445, 66534, 110890, 133068, 144157, 166335, 221780, 288314, 332670, 432471, 576628, 665340, 720785, 864942, 1441570, 1729884, 2162355, 2883140, 4324710, 8649420]

約数ペア:

[(1, 8649420), (2, 4324710), (3, 2883140), (4, 2162355), (5, 1729884), (6, 1441570), (10, 864942), (12, 720785), (13, 665340), (15, 576628), (20, 432471), (26, 332670), (30, 288314), (39, 221780), (52, 166335), (60, 144157), (65, 133068), (78, 110890), (130, 66534), (156, 55445), (169, 51180), (195, 44356), (260, 33267), (338, 25590), (390, 22178), (507, 17060), (676, 12795), (780, 11089), (845, 10236), (853, 10140), (1014, 8530), (1690, 5118), (1706, 5070), (2028, 4265), (2535, 3412), (2559, 3380)]