61801280

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1279}}^1$

素因数の和:1447

約数の個数: 56

約数和(自身を含む): 148254720

約数和(自身を除く): 86453440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1279, 1510, 2416, 2558, 3020, 4832, 5116, 6040, 6395, 9664, 10232, 12080, 12790, 20464, 24160, 25580, 40928, 48320, 51160, 81856, 102320, 193129, 204640, 386258, 409280, 772516, 965645, 1545032, 1931290, 3090064, 3862580, 6180128, 7725160, 12360256, 15450320, 30900640, 61801280]

約数ペア:

[(1, 61801280), (2, 30900640), (4, 15450320), (5, 12360256), (8, 7725160), (10, 6180128), (16, 3862580), (20, 3090064), (32, 1931290), (40, 1545032), (64, 965645), (80, 772516), (151, 409280), (160, 386258), (302, 204640), (320, 193129), (604, 102320), (755, 81856), (1208, 51160), (1279, 48320), (1510, 40928), (2416, 25580), (2558, 24160), (3020, 20464), (4832, 12790), (5116, 12080), (6040, 10232), (6395, 9664)]