56428020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28499}}^1$

素因数の和:28525

約数の個数: 72

約数和(自身を含む): 186732000

約数和(自身を除く): 130303980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 28499, 56998, 85497, 113996, 142495, 170994, 256491, 284990, 313489, 341988, 427485, 512982, 569980, 626978, 854970, 940467, 1025964, 1253956, 1282455, 1567445, 1709940, 1880934, 2564910, 2821401, 3134890, 3761868, 4702335, 5129820, 5642802, 6269780, 9404670, 11285604, 14107005, 18809340, 28214010, 56428020]

約数ペア:

[(1, 56428020), (2, 28214010), (3, 18809340), (4, 14107005), (5, 11285604), (6, 9404670), (9, 6269780), (10, 5642802), (11, 5129820), (12, 4702335), (15, 3761868), (18, 3134890), (20, 2821401), (22, 2564910), (30, 1880934), (33, 1709940), (36, 1567445), (44, 1282455), (45, 1253956), (55, 1025964), (60, 940467), (66, 854970), (90, 626978), (99, 569980), (110, 512982), (132, 427485), (165, 341988), (180, 313489), (198, 284990), (220, 256491), (330, 170994), (396, 142495), (495, 113996), (660, 85497), (990, 56998), (1980, 28499)]