84661280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4373}}^1$

素因数の和:4410

約数の個数: 72

約数和(自身を含む): 219898476

約数和(自身を除く): 135237196

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4373, 4840, 8746, 9680, 17492, 19360, 21865, 34984, 43730, 48103, 69968, 87460, 96206, 139936, 174920, 192412, 240515, 349840, 384824, 481030, 529133, 699680, 769648, 962060, 1058266, 1539296, 1924120, 2116532, 2645665, 3848240, 4233064, 5291330, 7696480, 8466128, 10582660, 16932256, 21165320, 42330640, 84661280]

約数ペア:

[(1, 84661280), (2, 42330640), (4, 21165320), (5, 16932256), (8, 10582660), (10, 8466128), (11, 7696480), (16, 5291330), (20, 4233064), (22, 3848240), (32, 2645665), (40, 2116532), (44, 1924120), (55, 1539296), (80, 1058266), (88, 962060), (110, 769648), (121, 699680), (160, 529133), (176, 481030), (220, 384824), (242, 349840), (352, 240515), (440, 192412), (484, 174920), (605, 139936), (880, 96206), (968, 87460), (1210, 69968), (1760, 48103), (1936, 43730), (2420, 34984), (3872, 21865), (4373, 19360), (4840, 17492), (8746, 9680)]