68138980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1349

約数の個数: 96

約数和(自身を含む): 182327040

約数和(自身を除く): 114188060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 580, 754, 812, 910, 1015, 1291, 1508, 1820, 1885, 2030, 2582, 2639, 3770, 4060, 5164, 5278, 6455, 7540, 9037, 10556, 12910, 13195, 16783, 18074, 25820, 26390, 33566, 36148, 37439, 45185, 52780, 67132, 74878, 83915, 90370, 117481, 149756, 167830, 180740, 187195, 234962, 262073, 335660, 374390, 469924, 486707, 524146, 587405, 748780, 973414, 1048292, 1174810, 1310365, 1946828, 2349620, 2433535, 2620730, 3406949, 4867070, 5241460, 6813898, 9734140, 13627796, 17034745, 34069490, 68138980]

約数ペア:

[(1, 68138980), (2, 34069490), (4, 17034745), (5, 13627796), (7, 9734140), (10, 6813898), (13, 5241460), (14, 4867070), (20, 3406949), (26, 2620730), (28, 2433535), (29, 2349620), (35, 1946828), (52, 1310365), (58, 1174810), (65, 1048292), (70, 973414), (91, 748780), (116, 587405), (130, 524146), (140, 486707), (145, 469924), (182, 374390), (203, 335660), (260, 262073), (290, 234962), (364, 187195), (377, 180740), (406, 167830), (455, 149756), (580, 117481), (754, 90370), (812, 83915), (910, 74878), (1015, 67132), (1291, 52780), (1508, 45185), (1820, 37439), (1885, 36148), (2030, 33566), (2582, 26390), (2639, 25820), (3770, 18074), (4060, 16783), (5164, 13195), (5278, 12910), (6455, 10556), (7540, 9037)]