90073760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11489}}^1$

素因数の和:11518

約数の個数: 72

約数和(自身を含む): 247563540

約数和(自身を除く): 157489780

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11489, 22978, 45956, 57445, 80423, 91912, 114890, 160846, 183824, 229780, 321692, 367648, 402115, 459560, 562961, 643384, 804230, 919120, 1125922, 1286768, 1608460, 1838240, 2251844, 2573536, 2814805, 3216920, 4503688, 5629610, 6433840, 9007376, 11259220, 12867680, 18014752, 22518440, 45036880, 90073760]

約数ペア:

[(1, 90073760), (2, 45036880), (4, 22518440), (5, 18014752), (7, 12867680), (8, 11259220), (10, 9007376), (14, 6433840), (16, 5629610), (20, 4503688), (28, 3216920), (32, 2814805), (35, 2573536), (40, 2251844), (49, 1838240), (56, 1608460), (70, 1286768), (80, 1125922), (98, 919120), (112, 804230), (140, 643384), (160, 562961), (196, 459560), (224, 402115), (245, 367648), (280, 321692), (392, 229780), (490, 183824), (560, 160846), (784, 114890), (980, 91912), (1120, 80423), (1568, 57445), (1960, 45956), (3920, 22978), (7840, 11489)]