81430890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{3449}}^1$

素因数の和:4246

約数の個数: 32

約数和(自身を含む): 195739200

約数和(自身を除く): 114308310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 787, 1574, 2361, 3449, 3935, 4722, 6898, 7870, 10347, 11805, 17245, 20694, 23610, 34490, 51735, 103470, 2714363, 5428726, 8143089, 13571815, 16286178, 27143630, 40715445, 81430890]

約数ペア:

[(1, 81430890), (2, 40715445), (3, 27143630), (5, 16286178), (6, 13571815), (10, 8143089), (15, 5428726), (30, 2714363), (787, 103470), (1574, 51735), (2361, 34490), (3449, 23610), (3935, 20694), (4722, 17245), (6898, 11805), (7870, 10347)]