123404720

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2711}}^1$

素因数の和:3293

約数の個数: 40

約数和(自身を含む): 287526240

約数和(自身を除く): 164121520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 2276, 2711, 2845, 4552, 5422, 5690, 9104, 10844, 11380, 13555, 21688, 22760, 27110, 43376, 45520, 54220, 108440, 216880, 1542559, 3085118, 6170236, 7712795, 12340472, 15425590, 24680944, 30851180, 61702360, 123404720]

約数ペア:

[(1, 123404720), (2, 61702360), (4, 30851180), (5, 24680944), (8, 15425590), (10, 12340472), (16, 7712795), (20, 6170236), (40, 3085118), (80, 1542559), (569, 216880), (1138, 108440), (2276, 54220), (2711, 45520), (2845, 43376), (4552, 27110), (5422, 22760), (5690, 21688), (9104, 13555), (10844, 11380)]