90885520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 238969080

約数和(自身を除く): 148083560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 121, 164, 176, 205, 220, 229, 242, 328, 410, 440, 451, 458, 484, 605, 656, 820, 880, 902, 916, 968, 1145, 1210, 1640, 1804, 1832, 1936, 2255, 2290, 2420, 2519, 3280, 3608, 3664, 4510, 4580, 4840, 4961, 5038, 7216, 9020, 9160, 9389, 9680, 9922, 10076, 12595, 18040, 18320, 18778, 19844, 20152, 24805, 25190, 27709, 36080, 37556, 39688, 40304, 46945, 49610, 50380, 55418, 75112, 79376, 93890, 99220, 100760, 103279, 110836, 138545, 150224, 187780, 198440, 201520, 206558, 221672, 277090, 375560, 396880, 413116, 443344, 516395, 554180, 751120, 826232, 1032790, 1108360, 1136069, 1652464, 2065580, 2216720, 2272138, 4131160, 4544276, 5680345, 8262320, 9088552, 11360690, 18177104, 22721380, 45442760, 90885520]

約数ペア:

[(1, 90885520), (2, 45442760), (4, 22721380), (5, 18177104), (8, 11360690), (10, 9088552), (11, 8262320), (16, 5680345), (20, 4544276), (22, 4131160), (40, 2272138), (41, 2216720), (44, 2065580), (55, 1652464), (80, 1136069), (82, 1108360), (88, 1032790), (110, 826232), (121, 751120), (164, 554180), (176, 516395), (205, 443344), (220, 413116), (229, 396880), (242, 375560), (328, 277090), (410, 221672), (440, 206558), (451, 201520), (458, 198440), (484, 187780), (605, 150224), (656, 138545), (820, 110836), (880, 103279), (902, 100760), (916, 99220), (968, 93890), (1145, 79376), (1210, 75112), (1640, 55418), (1804, 50380), (1832, 49610), (1936, 46945), (2255, 40304), (2290, 39688), (2420, 37556), (2519, 36080), (3280, 27709), (3608, 25190), (3664, 24805), (4510, 20152), (4580, 19844), (4840, 18778), (4961, 18320), (5038, 18040), (7216, 12595), (9020, 10076), (9160, 9922), (9389, 9680)]