127690880

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1717

約数の個数: 64

約数和(自身を含む): 307860480

約数和(自身を除く): 180169600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 1571, 2032, 2540, 3142, 4064, 5080, 6284, 7855, 8128, 10160, 12568, 15710, 16256, 20320, 25136, 31420, 40640, 50272, 62840, 81280, 100544, 125680, 199517, 201088, 251360, 399034, 502720, 798068, 997585, 1005440, 1596136, 1995170, 3192272, 3990340, 6384544, 7980680, 12769088, 15961360, 25538176, 31922720, 63845440, 127690880]

約数ペア:

[(1, 127690880), (2, 63845440), (4, 31922720), (5, 25538176), (8, 15961360), (10, 12769088), (16, 7980680), (20, 6384544), (32, 3990340), (40, 3192272), (64, 1995170), (80, 1596136), (127, 1005440), (128, 997585), (160, 798068), (254, 502720), (320, 399034), (508, 251360), (635, 201088), (640, 199517), (1016, 125680), (1270, 100544), (1571, 81280), (2032, 62840), (2540, 50272), (3142, 40640), (4064, 31420), (5080, 25136), (6284, 20320), (7855, 16256), (8128, 15710), (10160, 12568)]