81474264

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{4027}}^1$

素因数の和:4320

約数の個数: 48

約数和(自身を含む): 221499720

約数和(自身を除く): 140025456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1124, 1686, 2248, 2529, 3372, 4027, 5058, 6744, 8054, 10116, 12081, 16108, 20232, 24162, 32216, 36243, 48324, 72486, 96648, 144972, 289944, 1131587, 2263174, 3394761, 4526348, 6789522, 9052696, 10184283, 13579044, 20368566, 27158088, 40737132, 81474264]

約数ペア:

[(1, 81474264), (2, 40737132), (3, 27158088), (4, 20368566), (6, 13579044), (8, 10184283), (9, 9052696), (12, 6789522), (18, 4526348), (24, 3394761), (36, 2263174), (72, 1131587), (281, 289944), (562, 144972), (843, 96648), (1124, 72486), (1686, 48324), (2248, 36243), (2529, 32216), (3372, 24162), (4027, 20232), (5058, 16108), (6744, 12081), (8054, 10116)]