1287810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 3439800

約数和(自身を除く): 2151990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 349, 369, 410, 615, 698, 738, 1047, 1230, 1745, 1845, 2094, 3141, 3490, 3690, 5235, 6282, 10470, 14309, 15705, 28618, 31410, 42927, 71545, 85854, 128781, 143090, 214635, 257562, 429270, 643905, 1287810]

約数ペア:

[(1, 1287810), (2, 643905), (3, 429270), (5, 257562), (6, 214635), (9, 143090), (10, 128781), (15, 85854), (18, 71545), (30, 42927), (41, 31410), (45, 28618), (82, 15705), (90, 14309), (123, 10470), (205, 6282), (246, 5235), (349, 3690), (369, 3490), (410, 3141), (615, 2094), (698, 1845), (738, 1745), (1047, 1230)]