1263347740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 2747727360

約数和(自身を除く): 1484379620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 269, 430, 508, 538, 635, 860, 1076, 1270, 1345, 1849, 2540, 2690, 3698, 5380, 5461, 7396, 9245, 10922, 11567, 18490, 21844, 23134, 27305, 34163, 36980, 46268, 54610, 57835, 68326, 109220, 115670, 136652, 170815, 231340, 234823, 341630, 469646, 497381, 683260, 939292, 994762, 1174115, 1469009, 1989524, 2348230, 2486905, 2938018, 4696460, 4973810, 5876036, 7345045, 9947620, 14690090, 29380180, 63167387, 126334774, 252669548, 315836935, 631673870, 1263347740]

約数ペア:

[(1, 1263347740), (2, 631673870), (4, 315836935), (5, 252669548), (10, 126334774), (20, 63167387), (43, 29380180), (86, 14690090), (127, 9947620), (172, 7345045), (215, 5876036), (254, 4973810), (269, 4696460), (430, 2938018), (508, 2486905), (538, 2348230), (635, 1989524), (860, 1469009), (1076, 1174115), (1270, 994762), (1345, 939292), (1849, 683260), (2540, 497381), (2690, 469646), (3698, 341630), (5380, 234823), (5461, 231340), (7396, 170815), (9245, 136652), (10922, 115670), (11567, 109220), (18490, 68326), (21844, 57835), (23134, 54610), (27305, 46268), (34163, 36980)]