155513920

素因数分解:

$2^6\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1583}}^1$

素因数の和:1907

約数の個数: 56

約数和(自身を含む): 371758464

約数和(自身を除く): 216244544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 307, 320, 614, 1228, 1535, 1583, 2456, 3070, 3166, 4912, 6140, 6332, 7915, 9824, 12280, 12664, 15830, 19648, 24560, 25328, 31660, 49120, 50656, 63320, 98240, 101312, 126640, 253280, 485981, 506560, 971962, 1943924, 2429905, 3887848, 4859810, 7775696, 9719620, 15551392, 19439240, 31102784, 38878480, 77756960, 155513920]

約数ペア:

[(1, 155513920), (2, 77756960), (4, 38878480), (5, 31102784), (8, 19439240), (10, 15551392), (16, 9719620), (20, 7775696), (32, 4859810), (40, 3887848), (64, 2429905), (80, 1943924), (160, 971962), (307, 506560), (320, 485981), (614, 253280), (1228, 126640), (1535, 101312), (1583, 98240), (2456, 63320), (3070, 50656), (3166, 49120), (4912, 31660), (6140, 25328), (6332, 24560), (7915, 19648), (9824, 15830), (12280, 12664)]