90286020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45599}}^1$

素因数の和:45625

約数の個数: 72

約数和(自身を含む): 298771200

約数和(自身を除く): 208485180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 45599, 91198, 136797, 182396, 227995, 273594, 410391, 455990, 501589, 547188, 683985, 820782, 911980, 1003178, 1367970, 1504767, 1641564, 2006356, 2051955, 2507945, 2735940, 3009534, 4103910, 4514301, 5015890, 6019068, 7523835, 8207820, 9028602, 10031780, 15047670, 18057204, 22571505, 30095340, 45143010, 90286020]

約数ペア:

[(1, 90286020), (2, 45143010), (3, 30095340), (4, 22571505), (5, 18057204), (6, 15047670), (9, 10031780), (10, 9028602), (11, 8207820), (12, 7523835), (15, 6019068), (18, 5015890), (20, 4514301), (22, 4103910), (30, 3009534), (33, 2735940), (36, 2507945), (44, 2051955), (45, 2006356), (55, 1641564), (60, 1504767), (66, 1367970), (90, 1003178), (99, 911980), (110, 820782), (132, 683985), (165, 547188), (180, 501589), (198, 455990), (220, 410391), (330, 273594), (396, 227995), (495, 182396), (660, 136797), (990, 91198), (1980, 45599)]