90480280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 238464000

約数和(自身を除く): 147983720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 79, 88, 95, 110, 137, 152, 158, 190, 209, 220, 274, 316, 380, 395, 418, 440, 548, 632, 685, 760, 790, 836, 869, 1045, 1096, 1370, 1501, 1507, 1580, 1672, 1738, 2090, 2603, 2740, 3002, 3014, 3160, 3476, 4180, 4345, 5206, 5480, 6004, 6028, 6952, 7505, 7535, 8360, 8690, 10412, 10823, 12008, 12056, 13015, 15010, 15070, 16511, 17380, 20824, 21646, 26030, 28633, 30020, 30140, 33022, 34760, 43292, 52060, 54115, 57266, 60040, 60280, 66044, 82555, 86584, 104120, 108230, 114532, 119053, 132088, 143165, 165110, 205637, 216460, 229064, 238106, 286330, 330220, 411274, 432920, 476212, 572660, 595265, 660440, 822548, 952424, 1028185, 1145320, 1190530, 1645096, 2056370, 2262007, 2381060, 4112740, 4524014, 4762120, 8225480, 9048028, 11310035, 18096056, 22620070, 45240140, 90480280]

約数ペア:

[(1, 90480280), (2, 45240140), (4, 22620070), (5, 18096056), (8, 11310035), (10, 9048028), (11, 8225480), (19, 4762120), (20, 4524014), (22, 4112740), (38, 2381060), (40, 2262007), (44, 2056370), (55, 1645096), (76, 1190530), (79, 1145320), (88, 1028185), (95, 952424), (110, 822548), (137, 660440), (152, 595265), (158, 572660), (190, 476212), (209, 432920), (220, 411274), (274, 330220), (316, 286330), (380, 238106), (395, 229064), (418, 216460), (440, 205637), (548, 165110), (632, 143165), (685, 132088), (760, 119053), (790, 114532), (836, 108230), (869, 104120), (1045, 86584), (1096, 82555), (1370, 66044), (1501, 60280), (1507, 60040), (1580, 57266), (1672, 54115), (1738, 52060), (2090, 43292), (2603, 34760), (2740, 33022), (3002, 30140), (3014, 30020), (3160, 28633), (3476, 26030), (4180, 21646), (4345, 20824), (5206, 17380), (5480, 16511), (6004, 15070), (6028, 15010), (6952, 13015), (7505, 12056), (7535, 12008), (8360, 10823), (8690, 10412)]