1806178140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1193}}^1$

素因数の和:1868

約数の個数: 144

約数和(自身を含む): 5914254528

約数和(自身を除く): 4108076388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 647, 780, 1170, 1193, 1294, 1941, 2340, 2386, 2588, 3235, 3579, 3882, 4772, 5823, 5965, 6470, 7158, 7764, 8411, 9705, 10737, 11646, 11930, 12940, 14316, 15509, 16822, 17895, 19410, 21474, 23292, 23860, 25233, 29115, 31018, 33644, 35790, 38820, 42055, 42948, 46527, 50466, 53685, 58230, 62036, 71580, 75699, 77545, 84110, 93054, 100932, 107370, 116460, 126165, 139581, 151398, 155090, 168220, 186108, 214740, 232635, 252330, 279162, 302796, 310180, 378495, 465270, 504660, 558324, 697905, 756990, 771871, 930540, 1395810, 1513980, 1543742, 2315613, 2791620, 3087484, 3859355, 4631226, 6946839, 7718710, 9262452, 10034323, 11578065, 13893678, 15437420, 20068646, 23156130, 27787356, 30102969, 34734195, 40137292, 46312260, 50171615, 60205938, 69468390, 90308907, 100343230, 120411876, 138936780, 150514845, 180617814, 200686460, 301029690, 361235628, 451544535, 602059380, 903089070, 1806178140]

約数ペア:

[(1, 1806178140), (2, 903089070), (3, 602059380), (4, 451544535), (5, 361235628), (6, 301029690), (9, 200686460), (10, 180617814), (12, 150514845), (13, 138936780), (15, 120411876), (18, 100343230), (20, 90308907), (26, 69468390), (30, 60205938), (36, 50171615), (39, 46312260), (45, 40137292), (52, 34734195), (60, 30102969), (65, 27787356), (78, 23156130), (90, 20068646), (117, 15437420), (130, 13893678), (156, 11578065), (180, 10034323), (195, 9262452), (234, 7718710), (260, 6946839), (390, 4631226), (468, 3859355), (585, 3087484), (647, 2791620), (780, 2315613), (1170, 1543742), (1193, 1513980), (1294, 1395810), (1941, 930540), (2340, 771871), (2386, 756990), (2588, 697905), (3235, 558324), (3579, 504660), (3882, 465270), (4772, 378495), (5823, 310180), (5965, 302796), (6470, 279162), (7158, 252330), (7764, 232635), (8411, 214740), (9705, 186108), (10737, 168220), (11646, 155090), (11930, 151398), (12940, 139581), (14316, 126165), (15509, 116460), (16822, 107370), (17895, 100932), (19410, 93054), (21474, 84110), (23292, 77545), (23860, 75699), (25233, 71580), (29115, 62036), (31018, 58230), (33644, 53685), (35790, 50466), (38820, 46527), (42055, 42948)]