164738960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 398641152

約数和(自身を除く): 233902192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 367, 496, 620, 724, 734, 905, 1240, 1448, 1468, 1810, 1835, 2480, 2896, 2936, 3620, 3670, 5611, 5872, 7240, 7340, 11222, 11377, 14480, 14680, 22444, 22754, 28055, 29360, 44888, 45508, 56110, 56885, 66427, 89776, 91016, 112220, 113770, 132854, 182032, 224440, 227540, 265708, 332135, 448880, 455080, 531416, 664270, 910160, 1062832, 1328540, 2059237, 2657080, 4118474, 5314160, 8236948, 10296185, 16473896, 20592370, 32947792, 41184740, 82369480, 164738960]

約数ペア:

[(1, 164738960), (2, 82369480), (4, 41184740), (5, 32947792), (8, 20592370), (10, 16473896), (16, 10296185), (20, 8236948), (31, 5314160), (40, 4118474), (62, 2657080), (80, 2059237), (124, 1328540), (155, 1062832), (181, 910160), (248, 664270), (310, 531416), (362, 455080), (367, 448880), (496, 332135), (620, 265708), (724, 227540), (734, 224440), (905, 182032), (1240, 132854), (1448, 113770), (1468, 112220), (1810, 91016), (1835, 89776), (2480, 66427), (2896, 56885), (2936, 56110), (3620, 45508), (3670, 44888), (5611, 29360), (5872, 28055), (7240, 22754), (7340, 22444), (11222, 14680), (11377, 14480)]