21180980880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29418029}}^1$

素因数の和:29418048

約数の個数: 60

約数和(自身を含む): 71132796540

約数和(自身を除く): 49951815660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29418029, 58836058, 88254087, 117672116, 147090145, 176508174, 235344232, 264762261, 294180290, 353016348, 441270435, 470688464, 529524522, 588360580, 706032696, 882540870, 1059049044, 1176721160, 1323811305, 1412065392, 1765081740, 2118098088, 2353442320, 2647622610, 3530163480, 4236196176, 5295245220, 7060326960, 10590490440, 21180980880]

約数ペア:

[(1, 21180980880), (2, 10590490440), (3, 7060326960), (4, 5295245220), (5, 4236196176), (6, 3530163480), (8, 2647622610), (9, 2353442320), (10, 2118098088), (12, 1765081740), (15, 1412065392), (16, 1323811305), (18, 1176721160), (20, 1059049044), (24, 882540870), (30, 706032696), (36, 588360580), (40, 529524522), (45, 470688464), (48, 441270435), (60, 353016348), (72, 294180290), (80, 264762261), (90, 235344232), (120, 176508174), (144, 147090145), (180, 117672116), (240, 88254087), (360, 58836058), (720, 29418029)]