764216040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2161}}^1$

素因数の和:2603

約数の個数: 128

約数和(自身を含む): 2627608320

約数和(自身を除く): 1863392280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 421, 840, 842, 1263, 1684, 2105, 2161, 2526, 2947, 3368, 4210, 4322, 5052, 5894, 6315, 6483, 8420, 8644, 8841, 10104, 10805, 11788, 12630, 12966, 14735, 15127, 16840, 17288, 17682, 21610, 23576, 25260, 25932, 29470, 30254, 32415, 35364, 43220, 44205, 45381, 50520, 51864, 58940, 60508, 64830, 70728, 75635, 86440, 88410, 90762, 117880, 121016, 129660, 151270, 176820, 181524, 226905, 259320, 302540, 353640, 363048, 453810, 605080, 907620, 909781, 1815240, 1819562, 2729343, 3639124, 4548905, 5458686, 6368467, 7278248, 9097810, 10917372, 12736934, 13646715, 18195620, 19105401, 21834744, 25473868, 27293430, 31842335, 36391240, 38210802, 50947736, 54586860, 63684670, 76421604, 95527005, 109173720, 127369340, 152843208, 191054010, 254738680, 382108020, 764216040]

約数ペア:

[(1, 764216040), (2, 382108020), (3, 254738680), (4, 191054010), (5, 152843208), (6, 127369340), (7, 109173720), (8, 95527005), (10, 76421604), (12, 63684670), (14, 54586860), (15, 50947736), (20, 38210802), (21, 36391240), (24, 31842335), (28, 27293430), (30, 25473868), (35, 21834744), (40, 19105401), (42, 18195620), (56, 13646715), (60, 12736934), (70, 10917372), (84, 9097810), (105, 7278248), (120, 6368467), (140, 5458686), (168, 4548905), (210, 3639124), (280, 2729343), (420, 1819562), (421, 1815240), (840, 909781), (842, 907620), (1263, 605080), (1684, 453810), (2105, 363048), (2161, 353640), (2526, 302540), (2947, 259320), (3368, 226905), (4210, 181524), (4322, 176820), (5052, 151270), (5894, 129660), (6315, 121016), (6483, 117880), (8420, 90762), (8644, 88410), (8841, 86440), (10104, 75635), (10805, 70728), (11788, 64830), (12630, 60508), (12966, 58940), (14735, 51864), (15127, 50520), (16840, 45381), (17288, 44205), (17682, 43220), (21610, 35364), (23576, 32415), (25260, 30254), (25932, 29470)]