66139440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{275581}}^1$

素因数の和:275597

約数の個数: 40

約数和(自身を含む): 205033008

約数和(自身を除く): 138893568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 275581, 551162, 826743, 1102324, 1377905, 1653486, 2204648, 2755810, 3306972, 4133715, 4409296, 5511620, 6613944, 8267430, 11023240, 13227888, 16534860, 22046480, 33069720, 66139440]

約数ペア:

[(1, 66139440), (2, 33069720), (3, 22046480), (4, 16534860), (5, 13227888), (6, 11023240), (8, 8267430), (10, 6613944), (12, 5511620), (15, 4409296), (16, 4133715), (20, 3306972), (24, 2755810), (30, 2204648), (40, 1653486), (48, 1377905), (60, 1102324), (80, 826743), (120, 551162), (240, 275581)]