90819040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1004

約数の個数: 96

約数和(自身を含む): 236234880

約数和(自身を除く): 145415840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 376, 416, 470, 520, 611, 752, 929, 940, 1040, 1222, 1504, 1858, 1880, 2080, 2444, 3055, 3716, 3760, 4645, 4888, 6110, 7432, 7520, 9290, 9776, 12077, 12220, 14864, 18580, 19552, 24154, 24440, 29728, 37160, 43663, 48308, 48880, 60385, 74320, 87326, 96616, 97760, 120770, 148640, 174652, 193232, 218315, 241540, 349304, 386464, 436630, 483080, 567619, 698608, 873260, 966160, 1135238, 1397216, 1746520, 1932320, 2270476, 2838095, 3493040, 4540952, 5676190, 6986080, 9081904, 11352380, 18163808, 22704760, 45409520, 90819040]

約数ペア:

[(1, 90819040), (2, 45409520), (4, 22704760), (5, 18163808), (8, 11352380), (10, 9081904), (13, 6986080), (16, 5676190), (20, 4540952), (26, 3493040), (32, 2838095), (40, 2270476), (47, 1932320), (52, 1746520), (65, 1397216), (80, 1135238), (94, 966160), (104, 873260), (130, 698608), (160, 567619), (188, 483080), (208, 436630), (235, 386464), (260, 349304), (376, 241540), (416, 218315), (470, 193232), (520, 174652), (611, 148640), (752, 120770), (929, 97760), (940, 96616), (1040, 87326), (1222, 74320), (1504, 60385), (1858, 48880), (1880, 48308), (2080, 43663), (2444, 37160), (3055, 29728), (3716, 24440), (3760, 24154), (4645, 19552), (4888, 18580), (6110, 14864), (7432, 12220), (7520, 12077), (9290, 9776)]