28520880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 89113344

約数和(自身を除く): 60592464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 151, 240, 302, 453, 604, 755, 787, 906, 1208, 1510, 1574, 1812, 2265, 2361, 2416, 3020, 3148, 3624, 3935, 4530, 4722, 6040, 6296, 7248, 7870, 9060, 9444, 11805, 12080, 12592, 15740, 18120, 18888, 23610, 31480, 36240, 37776, 47220, 62960, 94440, 118837, 188880, 237674, 356511, 475348, 594185, 713022, 950696, 1188370, 1426044, 1782555, 1901392, 2376740, 2852088, 3565110, 4753480, 5704176, 7130220, 9506960, 14260440, 28520880]

約数ペア:

[(1, 28520880), (2, 14260440), (3, 9506960), (4, 7130220), (5, 5704176), (6, 4753480), (8, 3565110), (10, 2852088), (12, 2376740), (15, 1901392), (16, 1782555), (20, 1426044), (24, 1188370), (30, 950696), (40, 713022), (48, 594185), (60, 475348), (80, 356511), (120, 237674), (151, 188880), (240, 118837), (302, 94440), (453, 62960), (604, 47220), (755, 37776), (787, 36240), (906, 31480), (1208, 23610), (1510, 18888), (1574, 18120), (1812, 15740), (2265, 12592), (2361, 12080), (2416, 11805), (3020, 9444), (3148, 9060), (3624, 7870), (3935, 7248), (4530, 6296), (4722, 6040)]