65520280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8069}}^1$

素因数の和:8116

約数の個数: 64

約数和(自身を含む): 174312000

約数和(自身を除く): 108791720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8069, 8120, 16138, 32276, 40345, 56483, 64552, 80690, 112966, 161380, 225932, 234001, 282415, 322760, 451864, 468002, 564830, 936004, 1129660, 1170005, 1638007, 1872008, 2259320, 2340010, 3276014, 4680020, 6552028, 8190035, 9360040, 13104056, 16380070, 32760140, 65520280]

約数ペア:

[(1, 65520280), (2, 32760140), (4, 16380070), (5, 13104056), (7, 9360040), (8, 8190035), (10, 6552028), (14, 4680020), (20, 3276014), (28, 2340010), (29, 2259320), (35, 1872008), (40, 1638007), (56, 1170005), (58, 1129660), (70, 936004), (116, 564830), (140, 468002), (145, 451864), (203, 322760), (232, 282415), (280, 234001), (290, 225932), (406, 161380), (580, 112966), (812, 80690), (1015, 64552), (1160, 56483), (1624, 40345), (2030, 32276), (4060, 16138), (8069, 8120)]