2662520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 7058880

約数和(自身を除く): 4396360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 257, 259, 280, 296, 370, 514, 518, 740, 1028, 1036, 1285, 1295, 1480, 1799, 2056, 2072, 2570, 2590, 3598, 5140, 5180, 7196, 8995, 9509, 10280, 10360, 14392, 17990, 19018, 35980, 38036, 47545, 66563, 71960, 76072, 95090, 133126, 190180, 266252, 332815, 380360, 532504, 665630, 1331260, 2662520]

約数ペア:

[(1, 2662520), (2, 1331260), (4, 665630), (5, 532504), (7, 380360), (8, 332815), (10, 266252), (14, 190180), (20, 133126), (28, 95090), (35, 76072), (37, 71960), (40, 66563), (56, 47545), (70, 38036), (74, 35980), (140, 19018), (148, 17990), (185, 14392), (257, 10360), (259, 10280), (280, 9509), (296, 8995), (370, 7196), (514, 5180), (518, 5140), (740, 3598), (1028, 2590), (1036, 2570), (1285, 2072), (1295, 2056), (1480, 1799)]