121564660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2045

約数の個数: 96

約数和(自身を含む): 320624640

約数和(自身を除く): 199059980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 532, 644, 665, 805, 874, 1330, 1610, 1748, 1987, 2185, 2660, 3059, 3220, 3974, 4370, 6118, 7948, 8740, 9935, 12236, 13909, 15295, 19870, 27818, 30590, 37753, 39740, 45701, 55636, 61180, 69545, 75506, 91402, 139090, 151012, 182804, 188765, 228505, 264271, 278180, 319907, 377530, 457010, 528542, 639814, 755060, 868319, 914020, 1057084, 1279628, 1321355, 1599535, 1736638, 2642710, 3199070, 3473276, 4341595, 5285420, 6078233, 6398140, 8683190, 12156466, 17366380, 24312932, 30391165, 60782330, 121564660]

約数ペア:

[(1, 121564660), (2, 60782330), (4, 30391165), (5, 24312932), (7, 17366380), (10, 12156466), (14, 8683190), (19, 6398140), (20, 6078233), (23, 5285420), (28, 4341595), (35, 3473276), (38, 3199070), (46, 2642710), (70, 1736638), (76, 1599535), (92, 1321355), (95, 1279628), (115, 1057084), (133, 914020), (140, 868319), (161, 755060), (190, 639814), (230, 528542), (266, 457010), (322, 377530), (380, 319907), (437, 278180), (460, 264271), (532, 228505), (644, 188765), (665, 182804), (805, 151012), (874, 139090), (1330, 91402), (1610, 75506), (1748, 69545), (1987, 61180), (2185, 55636), (2660, 45701), (3059, 39740), (3220, 37753), (3974, 30590), (4370, 27818), (6118, 19870), (7948, 15295), (8740, 13909), (9935, 12236)]