178567020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1163}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 542754576

約数和(自身を除く): 364187556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 853, 1163, 1706, 2326, 2559, 3412, 3489, 4265, 4652, 5118, 5815, 6978, 7677, 8530, 10236, 10467, 11630, 12795, 13956, 15354, 17060, 17445, 20934, 23260, 25590, 30708, 34890, 38385, 41868, 51180, 52335, 69780, 76770, 104670, 153540, 209340, 992039, 1984078, 2976117, 3968156, 4960195, 5952234, 8928351, 9920390, 11904468, 14880585, 17856702, 19840780, 29761170, 35713404, 44641755, 59522340, 89283510, 178567020]

約数ペア:

[(1, 178567020), (2, 89283510), (3, 59522340), (4, 44641755), (5, 35713404), (6, 29761170), (9, 19840780), (10, 17856702), (12, 14880585), (15, 11904468), (18, 9920390), (20, 8928351), (30, 5952234), (36, 4960195), (45, 3968156), (60, 2976117), (90, 1984078), (180, 992039), (853, 209340), (1163, 153540), (1706, 104670), (2326, 76770), (2559, 69780), (3412, 52335), (3489, 51180), (4265, 41868), (4652, 38385), (5118, 34890), (5815, 30708), (6978, 25590), (7677, 23260), (8530, 20934), (10236, 17445), (10467, 17060), (11630, 15354), (12795, 13956)]