15412020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19759}}^1$

素因数の和:19784

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 31063500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19759, 39518, 59277, 79036, 98795, 118554, 197590, 237108, 256867, 296385, 395180, 513734, 592770, 770601, 1027468, 1185540, 1284335, 1541202, 2568670, 3082404, 3853005, 5137340, 7706010, 15412020]

約数ペア:

[(1, 15412020), (2, 7706010), (3, 5137340), (4, 3853005), (5, 3082404), (6, 2568670), (10, 1541202), (12, 1284335), (13, 1185540), (15, 1027468), (20, 770601), (26, 592770), (30, 513734), (39, 395180), (52, 296385), (60, 256867), (65, 237108), (78, 197590), (130, 118554), (156, 98795), (195, 79036), (260, 59277), (390, 39518), (780, 19759)]