1280854020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{3301}}^1$

素因数の和:3565

約数の個数: 96

約数和(自身を含む): 3727825920

約数和(自身を除く): 2446971900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 223, 290, 348, 435, 446, 580, 669, 870, 892, 1115, 1338, 1740, 2230, 2676, 3301, 3345, 4460, 6467, 6602, 6690, 9903, 12934, 13204, 13380, 16505, 19401, 19806, 25868, 32335, 33010, 38802, 39612, 49515, 64670, 66020, 77604, 95729, 97005, 99030, 129340, 191458, 194010, 198060, 287187, 382916, 388020, 478645, 574374, 736123, 957290, 1148748, 1435935, 1472246, 1914580, 2208369, 2871870, 2944492, 3680615, 4416738, 5743740, 7361230, 8833476, 11041845, 14722460, 21347567, 22083690, 42695134, 44167380, 64042701, 85390268, 106737835, 128085402, 213475670, 256170804, 320213505, 426951340, 640427010, 1280854020]

約数ペア:

[(1, 1280854020), (2, 640427010), (3, 426951340), (4, 320213505), (5, 256170804), (6, 213475670), (10, 128085402), (12, 106737835), (15, 85390268), (20, 64042701), (29, 44167380), (30, 42695134), (58, 22083690), (60, 21347567), (87, 14722460), (116, 11041845), (145, 8833476), (174, 7361230), (223, 5743740), (290, 4416738), (348, 3680615), (435, 2944492), (446, 2871870), (580, 2208369), (669, 1914580), (870, 1472246), (892, 1435935), (1115, 1148748), (1338, 957290), (1740, 736123), (2230, 574374), (2676, 478645), (3301, 388020), (3345, 382916), (4460, 287187), (6467, 198060), (6602, 194010), (6690, 191458), (9903, 129340), (12934, 99030), (13204, 97005), (13380, 95729), (16505, 77604), (19401, 66020), (19806, 64670), (25868, 49515), (32335, 39612), (33010, 38802)]