90555520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 128

約数和(自身を含む): 248961600

約数和(自身を除く): 158406080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 640, 677, 704, 760, 836, 880, 1045, 1216, 1354, 1408, 1520, 1672, 1760, 2090, 2432, 2708, 3040, 3344, 3385, 3520, 4180, 5416, 6080, 6688, 6770, 7040, 7447, 8360, 10832, 12160, 12863, 13376, 13540, 14894, 16720, 21664, 25726, 26752, 27080, 29788, 33440, 37235, 43328, 51452, 54160, 59576, 64315, 66880, 74470, 86656, 102904, 108320, 119152, 128630, 133760, 141493, 148940, 205808, 216640, 238304, 257260, 282986, 297880, 411616, 433280, 476608, 514520, 565972, 595760, 707465, 823232, 953216, 1029040, 1131944, 1191520, 1414930, 1646464, 2058080, 2263888, 2383040, 2829860, 4116160, 4527776, 4766080, 5659720, 8232320, 9055552, 11319440, 18111104, 22638880, 45277760, 90555520]

約数ペア:

[(1, 90555520), (2, 45277760), (4, 22638880), (5, 18111104), (8, 11319440), (10, 9055552), (11, 8232320), (16, 5659720), (19, 4766080), (20, 4527776), (22, 4116160), (32, 2829860), (38, 2383040), (40, 2263888), (44, 2058080), (55, 1646464), (64, 1414930), (76, 1191520), (80, 1131944), (88, 1029040), (95, 953216), (110, 823232), (128, 707465), (152, 595760), (160, 565972), (176, 514520), (190, 476608), (209, 433280), (220, 411616), (304, 297880), (320, 282986), (352, 257260), (380, 238304), (418, 216640), (440, 205808), (608, 148940), (640, 141493), (677, 133760), (704, 128630), (760, 119152), (836, 108320), (880, 102904), (1045, 86656), (1216, 74470), (1354, 66880), (1408, 64315), (1520, 59576), (1672, 54160), (1760, 51452), (2090, 43328), (2432, 37235), (2708, 33440), (3040, 29788), (3344, 27080), (3385, 26752), (3520, 25726), (4180, 21664), (5416, 16720), (6080, 14894), (6688, 13540), (6770, 13376), (7040, 12863), (7447, 12160), (8360, 10832)]