145870660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 335724480

約数和(自身を除く): 189853820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 206, 260, 338, 412, 419, 515, 676, 838, 845, 1030, 1339, 1676, 1690, 2060, 2095, 2678, 3380, 4190, 5356, 5447, 6695, 8380, 10894, 13390, 17407, 21788, 26780, 27235, 34814, 43157, 54470, 69628, 70811, 86314, 87035, 108940, 141622, 172628, 174070, 215785, 283244, 348140, 354055, 431570, 561041, 708110, 863140, 1122082, 1416220, 2244164, 2805205, 5610410, 7293533, 11220820, 14587066, 29174132, 36467665, 72935330, 145870660]

約数ペア:

[(1, 145870660), (2, 72935330), (4, 36467665), (5, 29174132), (10, 14587066), (13, 11220820), (20, 7293533), (26, 5610410), (52, 2805205), (65, 2244164), (103, 1416220), (130, 1122082), (169, 863140), (206, 708110), (260, 561041), (338, 431570), (412, 354055), (419, 348140), (515, 283244), (676, 215785), (838, 174070), (845, 172628), (1030, 141622), (1339, 108940), (1676, 87035), (1690, 86314), (2060, 70811), (2095, 69628), (2678, 54470), (3380, 43157), (4190, 34814), (5356, 27235), (5447, 26780), (6695, 21788), (8380, 17407), (10894, 13390)]