121087920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1297}}^1$

素因数の和:1702

約数の個数: 80

約数和(自身を含む): 376627680

約数和(自身を除く): 255539760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1297, 1556, 1945, 2334, 2594, 3112, 3890, 3891, 4668, 5188, 5835, 6224, 6485, 7780, 7782, 9336, 10376, 11670, 12970, 15560, 15564, 18672, 19455, 20752, 23340, 25940, 31120, 31128, 38910, 46680, 51880, 62256, 77820, 93360, 103760, 155640, 311280, 504533, 1009066, 1513599, 2018132, 2522665, 3027198, 4036264, 5045330, 6054396, 7567995, 8072528, 10090660, 12108792, 15135990, 20181320, 24217584, 30271980, 40362640, 60543960, 121087920]

約数ペア:

[(1, 121087920), (2, 60543960), (3, 40362640), (4, 30271980), (5, 24217584), (6, 20181320), (8, 15135990), (10, 12108792), (12, 10090660), (15, 8072528), (16, 7567995), (20, 6054396), (24, 5045330), (30, 4036264), (40, 3027198), (48, 2522665), (60, 2018132), (80, 1513599), (120, 1009066), (240, 504533), (389, 311280), (778, 155640), (1167, 103760), (1297, 93360), (1556, 77820), (1945, 62256), (2334, 51880), (2594, 46680), (3112, 38910), (3890, 31128), (3891, 31120), (4668, 25940), (5188, 23340), (5835, 20752), (6224, 19455), (6485, 18672), (7780, 15564), (7782, 15560), (9336, 12970), (10376, 11670)]