78657180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1523

約数の個数: 96

約数和(自身を含む): 253725696

約数和(自身を除く): 175068516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 274, 411, 420, 548, 685, 822, 959, 1367, 1370, 1644, 1918, 2055, 2734, 2740, 2877, 3836, 4101, 4110, 4795, 5468, 5754, 6835, 8202, 8220, 9569, 9590, 11508, 13670, 14385, 16404, 19138, 19180, 20505, 27340, 28707, 28770, 38276, 41010, 47845, 57414, 57540, 82020, 95690, 114828, 143535, 187279, 191380, 287070, 374558, 561837, 574140, 749116, 936395, 1123674, 1310953, 1872790, 2247348, 2621906, 2809185, 3745580, 3932859, 5243812, 5618370, 6554765, 7865718, 11236740, 13109530, 15731436, 19664295, 26219060, 39328590, 78657180]

約数ペア:

[(1, 78657180), (2, 39328590), (3, 26219060), (4, 19664295), (5, 15731436), (6, 13109530), (7, 11236740), (10, 7865718), (12, 6554765), (14, 5618370), (15, 5243812), (20, 3932859), (21, 3745580), (28, 2809185), (30, 2621906), (35, 2247348), (42, 1872790), (60, 1310953), (70, 1123674), (84, 936395), (105, 749116), (137, 574140), (140, 561837), (210, 374558), (274, 287070), (411, 191380), (420, 187279), (548, 143535), (685, 114828), (822, 95690), (959, 82020), (1367, 57540), (1370, 57414), (1644, 47845), (1918, 41010), (2055, 38276), (2734, 28770), (2740, 28707), (2877, 27340), (3836, 20505), (4101, 19180), (4110, 19138), (4795, 16404), (5468, 14385), (5754, 13670), (6835, 11508), (8202, 9590), (8220, 9569)]