663520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 1905120

約数和(自身を除く): 1241600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 29, 32, 40, 44, 52, 55, 58, 65, 80, 88, 104, 110, 116, 130, 143, 145, 160, 176, 208, 220, 232, 260, 286, 290, 319, 352, 377, 416, 440, 464, 520, 572, 580, 638, 715, 754, 880, 928, 1040, 1144, 1160, 1276, 1430, 1508, 1595, 1760, 1885, 2080, 2288, 2320, 2552, 2860, 3016, 3190, 3770, 4147, 4576, 4640, 5104, 5720, 6032, 6380, 7540, 8294, 10208, 11440, 12064, 12760, 15080, 16588, 20735, 22880, 25520, 30160, 33176, 41470, 51040, 60320, 66352, 82940, 132704, 165880, 331760, 663520]

約数ペア:

[(1, 663520), (2, 331760), (4, 165880), (5, 132704), (8, 82940), (10, 66352), (11, 60320), (13, 51040), (16, 41470), (20, 33176), (22, 30160), (26, 25520), (29, 22880), (32, 20735), (40, 16588), (44, 15080), (52, 12760), (55, 12064), (58, 11440), (65, 10208), (80, 8294), (88, 7540), (104, 6380), (110, 6032), (116, 5720), (130, 5104), (143, 4640), (145, 4576), (160, 4147), (176, 3770), (208, 3190), (220, 3016), (232, 2860), (260, 2552), (286, 2320), (290, 2288), (319, 2080), (352, 1885), (377, 1760), (416, 1595), (440, 1508), (464, 1430), (520, 1276), (572, 1160), (580, 1144), (638, 1040), (715, 928), (754, 880)]