81197060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 205535232

約数和(自身を除く): 124338172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 53, 62, 70, 106, 124, 140, 155, 212, 217, 265, 310, 353, 371, 434, 530, 620, 706, 742, 868, 1060, 1085, 1412, 1484, 1643, 1765, 1855, 2170, 2471, 3286, 3530, 3710, 4340, 4942, 6572, 7060, 7420, 8215, 9884, 10943, 11501, 12355, 16430, 18709, 21886, 23002, 24710, 32860, 37418, 43772, 46004, 49420, 54715, 57505, 74836, 76601, 93545, 109430, 115010, 130963, 153202, 187090, 218860, 230020, 261926, 306404, 374180, 383005, 523852, 579979, 654815, 766010, 1159958, 1309630, 1532020, 2319916, 2619260, 2899895, 4059853, 5799790, 8119706, 11599580, 16239412, 20299265, 40598530, 81197060]

約数ペア:

[(1, 81197060), (2, 40598530), (4, 20299265), (5, 16239412), (7, 11599580), (10, 8119706), (14, 5799790), (20, 4059853), (28, 2899895), (31, 2619260), (35, 2319916), (53, 1532020), (62, 1309630), (70, 1159958), (106, 766010), (124, 654815), (140, 579979), (155, 523852), (212, 383005), (217, 374180), (265, 306404), (310, 261926), (353, 230020), (371, 218860), (434, 187090), (530, 153202), (620, 130963), (706, 115010), (742, 109430), (868, 93545), (1060, 76601), (1085, 74836), (1412, 57505), (1484, 54715), (1643, 49420), (1765, 46004), (1855, 43772), (2170, 37418), (2471, 32860), (3286, 24710), (3530, 23002), (3710, 21886), (4340, 18709), (4942, 16430), (6572, 12355), (7060, 11501), (7420, 10943), (8215, 9884)]