39654090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{20981}}^1$

素因数の和:21004

約数の個数: 64

約数和(自身を含む): 120856320

約数和(自身を除く): 81202230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 20981, 41962, 62943, 104905, 125886, 146867, 188829, 209810, 293734, 314715, 377658, 440601, 566487, 629430, 734335, 881202, 944145, 1132974, 1321803, 1468670, 1888290, 2203005, 2643606, 2832435, 3965409, 4406010, 5664870, 6609015, 7930818, 13218030, 19827045, 39654090]

約数ペア:

[(1, 39654090), (2, 19827045), (3, 13218030), (5, 7930818), (6, 6609015), (7, 5664870), (9, 4406010), (10, 3965409), (14, 2832435), (15, 2643606), (18, 2203005), (21, 1888290), (27, 1468670), (30, 1321803), (35, 1132974), (42, 944145), (45, 881202), (54, 734335), (63, 629430), (70, 566487), (90, 440601), (105, 377658), (126, 314715), (135, 293734), (189, 209810), (210, 188829), (270, 146867), (315, 125886), (378, 104905), (630, 62943), (945, 41962), (1890, 20981)]