31085280

素因数分解:

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

素因数の和:21608

約数の個数: 72

約数和(自身を含む): 106083432

約数和(自身を除く): 74998152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21587, 43174, 64761, 86348, 107935, 129522, 172696, 194283, 215870, 259044, 323805, 345392, 388566, 431740, 518088, 647610, 690784, 777132, 863480, 971415, 1036176, 1295220, 1554264, 1726960, 1942830, 2072352, 2590440, 3108528, 3453920, 3885660, 5180880, 6217056, 7771320, 10361760, 15542640, 31085280]

約数ペア:

[(1, 31085280), (2, 15542640), (3, 10361760), (4, 7771320), (5, 6217056), (6, 5180880), (8, 3885660), (9, 3453920), (10, 3108528), (12, 2590440), (15, 2072352), (16, 1942830), (18, 1726960), (20, 1554264), (24, 1295220), (30, 1036176), (32, 971415), (36, 863480), (40, 777132), (45, 690784), (48, 647610), (60, 518088), (72, 431740), (80, 388566), (90, 345392), (96, 323805), (120, 259044), (144, 215870), (160, 194283), (180, 172696), (240, 129522), (288, 107935), (360, 86348), (480, 64761), (720, 43174), (1440, 21587)]