28494840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21587}}^1$

素因数の和:21612

約数の個数: 64

約数和(自身を含む): 93260160

約数和(自身を除く): 64765320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21587, 43174, 64761, 86348, 107935, 129522, 172696, 215870, 237457, 259044, 323805, 431740, 474914, 518088, 647610, 712371, 863480, 949828, 1187285, 1295220, 1424742, 1899656, 2374570, 2590440, 2849484, 3561855, 4749140, 5698968, 7123710, 9498280, 14247420, 28494840]

約数ペア:

[(1, 28494840), (2, 14247420), (3, 9498280), (4, 7123710), (5, 5698968), (6, 4749140), (8, 3561855), (10, 2849484), (11, 2590440), (12, 2374570), (15, 1899656), (20, 1424742), (22, 1295220), (24, 1187285), (30, 949828), (33, 863480), (40, 712371), (44, 647610), (55, 518088), (60, 474914), (66, 431740), (88, 323805), (110, 259044), (120, 237457), (132, 215870), (165, 172696), (220, 129522), (264, 107935), (330, 86348), (440, 64761), (660, 43174), (1320, 21587)]