161522448

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 430805760

約数和(自身を除く): 269283312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 139, 172, 258, 278, 344, 417, 516, 556, 563, 688, 834, 1032, 1112, 1126, 1668, 1689, 2064, 2224, 2252, 3336, 3378, 4504, 5977, 6672, 6756, 9008, 11954, 13512, 17931, 23908, 24209, 27024, 35862, 47816, 48418, 71724, 72627, 78257, 95632, 96836, 143448, 145254, 156514, 193672, 234771, 286896, 290508, 313028, 387344, 469542, 581016, 626056, 939084, 1162032, 1252112, 1878168, 3365051, 3756336, 6730102, 10095153, 13460204, 20190306, 26920408, 40380612, 53840816, 80761224, 161522448]

約数ペア:

[(1, 161522448), (2, 80761224), (3, 53840816), (4, 40380612), (6, 26920408), (8, 20190306), (12, 13460204), (16, 10095153), (24, 6730102), (43, 3756336), (48, 3365051), (86, 1878168), (129, 1252112), (139, 1162032), (172, 939084), (258, 626056), (278, 581016), (344, 469542), (417, 387344), (516, 313028), (556, 290508), (563, 286896), (688, 234771), (834, 193672), (1032, 156514), (1112, 145254), (1126, 143448), (1668, 96836), (1689, 95632), (2064, 78257), (2224, 72627), (2252, 71724), (3336, 48418), (3378, 47816), (4504, 35862), (5977, 27024), (6672, 24209), (6756, 23908), (9008, 17931), (11954, 13512)]