57278130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20981}}^1$

素因数の和:21011

約数の個数: 64

約数和(自身を含む): 169198848

約数和(自身を除く): 111920718

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 20981, 41962, 62943, 104905, 125886, 146867, 209810, 272753, 293734, 314715, 440601, 545506, 629430, 734335, 818259, 881202, 1363765, 1468670, 1636518, 1909271, 2203005, 2727530, 3818542, 4091295, 4406010, 5727813, 8182590, 9546355, 11455626, 19092710, 28639065, 57278130]

約数ペア:

[(1, 57278130), (2, 28639065), (3, 19092710), (5, 11455626), (6, 9546355), (7, 8182590), (10, 5727813), (13, 4406010), (14, 4091295), (15, 3818542), (21, 2727530), (26, 2203005), (30, 1909271), (35, 1636518), (39, 1468670), (42, 1363765), (65, 881202), (70, 818259), (78, 734335), (91, 629430), (105, 545506), (130, 440601), (182, 314715), (195, 293734), (210, 272753), (273, 209810), (390, 146867), (455, 125886), (546, 104905), (910, 62943), (1365, 41962), (2730, 20981)]