387780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 1137024

約数和(自身を除く): 749244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 281, 345, 460, 562, 690, 843, 1124, 1380, 1405, 1686, 2810, 3372, 4215, 5620, 6463, 8430, 12926, 16860, 19389, 25852, 32315, 38778, 64630, 77556, 96945, 129260, 193890, 387780]

約数ペア:

[(1, 387780), (2, 193890), (3, 129260), (4, 96945), (5, 77556), (6, 64630), (10, 38778), (12, 32315), (15, 25852), (20, 19389), (23, 16860), (30, 12926), (46, 8430), (60, 6463), (69, 5620), (92, 4215), (115, 3372), (138, 2810), (230, 1686), (276, 1405), (281, 1380), (345, 1124), (460, 843), (562, 690)]