161017680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{991}}^1$

素因数の和:1684

約数の個数: 80

約数和(自身を含む): 500396544

約数和(自身を除く): 339378864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 677, 991, 1354, 1982, 2031, 2708, 2973, 3385, 3964, 4062, 4955, 5416, 5946, 6770, 7928, 8124, 9910, 10155, 10832, 11892, 13540, 14865, 15856, 16248, 19820, 20310, 23784, 27080, 29730, 32496, 39640, 40620, 47568, 54160, 59460, 79280, 81240, 118920, 162480, 237840, 670907, 1341814, 2012721, 2683628, 3354535, 4025442, 5367256, 6709070, 8050884, 10063605, 10734512, 13418140, 16101768, 20127210, 26836280, 32203536, 40254420, 53672560, 80508840, 161017680]

約数ペア:

[(1, 161017680), (2, 80508840), (3, 53672560), (4, 40254420), (5, 32203536), (6, 26836280), (8, 20127210), (10, 16101768), (12, 13418140), (15, 10734512), (16, 10063605), (20, 8050884), (24, 6709070), (30, 5367256), (40, 4025442), (48, 3354535), (60, 2683628), (80, 2012721), (120, 1341814), (240, 670907), (677, 237840), (991, 162480), (1354, 118920), (1982, 81240), (2031, 79280), (2708, 59460), (2973, 54160), (3385, 47568), (3964, 40620), (4062, 39640), (4955, 32496), (5416, 29730), (5946, 27080), (6770, 23784), (7928, 20310), (8124, 19820), (9910, 16248), (10155, 15856), (10832, 14865), (11892, 13540)]