90865880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7547}}^1$

素因数の和:7608

約数の個数: 64

約数和(自身を含む): 239120640

約数和(自身を除く): 148254760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 7547, 12040, 15094, 30188, 37735, 52829, 60376, 75470, 105658, 150940, 211316, 264145, 301880, 324521, 422632, 528290, 649042, 1056580, 1298084, 1622605, 2113160, 2271647, 2596168, 3245210, 4543294, 6490420, 9086588, 11358235, 12980840, 18173176, 22716470, 45432940, 90865880]

約数ペア:

[(1, 90865880), (2, 45432940), (4, 22716470), (5, 18173176), (7, 12980840), (8, 11358235), (10, 9086588), (14, 6490420), (20, 4543294), (28, 3245210), (35, 2596168), (40, 2271647), (43, 2113160), (56, 1622605), (70, 1298084), (86, 1056580), (140, 649042), (172, 528290), (215, 422632), (280, 324521), (301, 301880), (344, 264145), (430, 211316), (602, 150940), (860, 105658), (1204, 75470), (1505, 60376), (1720, 52829), (2408, 37735), (3010, 30188), (6020, 15094), (7547, 12040)]