15420190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 29890944

約数和(自身を除く): 14470754

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 1487, 2074, 2974, 5185, 7435, 10370, 14870, 25279, 50558, 90707, 126395, 181414, 252790, 453535, 907070, 1542019, 3084038, 7710095, 15420190]

約数ペア:

[(1, 15420190), (2, 7710095), (5, 3084038), (10, 1542019), (17, 907070), (34, 453535), (61, 252790), (85, 181414), (122, 126395), (170, 90707), (305, 50558), (610, 25279), (1037, 14870), (1487, 10370), (2074, 7435), (2974, 5185)]