1275810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 3271104

約数和(自身を除く): 1995294

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 989, 1290, 1849, 1978, 2967, 3698, 4945, 5547, 5934, 9245, 9890, 11094, 14835, 18490, 27735, 29670, 42527, 55470, 85054, 127581, 212635, 255162, 425270, 637905, 1275810]

約数ペア:

[(1, 1275810), (2, 637905), (3, 425270), (5, 255162), (6, 212635), (10, 127581), (15, 85054), (23, 55470), (30, 42527), (43, 29670), (46, 27735), (69, 18490), (86, 14835), (115, 11094), (129, 9890), (138, 9245), (215, 5934), (230, 5547), (258, 4945), (345, 3698), (430, 2967), (645, 1978), (690, 1849), (989, 1290)]