1561359564

素因数分解:

$2^2\times 3^5\times {\mathrm{431}}^1\times {\mathrm{3727}}^1$

素因数の和:4177

約数の個数: 72

約数和(自身を含む): 4103543808

約数和(自身を除く): 2542184244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 431, 486, 862, 972, 1293, 1724, 2586, 3727, 3879, 5172, 7454, 7758, 11181, 11637, 14908, 15516, 22362, 23274, 33543, 34911, 44724, 46548, 67086, 69822, 100629, 104733, 134172, 139644, 201258, 209466, 301887, 402516, 418932, 603774, 905661, 1207548, 1606337, 1811322, 3212674, 3622644, 4819011, 6425348, 9638022, 14457033, 19276044, 28914066, 43371099, 57828132, 86742198, 130113297, 173484396, 260226594, 390339891, 520453188, 780679782, 1561359564]

約数ペア:

[(1, 1561359564), (2, 780679782), (3, 520453188), (4, 390339891), (6, 260226594), (9, 173484396), (12, 130113297), (18, 86742198), (27, 57828132), (36, 43371099), (54, 28914066), (81, 19276044), (108, 14457033), (162, 9638022), (243, 6425348), (324, 4819011), (431, 3622644), (486, 3212674), (862, 1811322), (972, 1606337), (1293, 1207548), (1724, 905661), (2586, 603774), (3727, 418932), (3879, 402516), (5172, 301887), (7454, 209466), (7758, 201258), (11181, 139644), (11637, 134172), (14908, 104733), (15516, 100629), (22362, 69822), (23274, 67086), (33543, 46548), (34911, 44724)]