1915667880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5417}}^1$

素因数の和:5859

約数の個数: 128

約数和(自身を含む): 6584820480

約数和(自身を除く): 4669152600

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, 2526, 2947, 3368, 4210, 5052, 5417, 5894, 6315, 8420, 8841, 10104, 10834, 11788, 12630, 14735, 16251, 16840, 17682, 21668, 23576, 25260, 27085, 29470, 32502, 35364, 37919, 43336, 44205, 50520, 54170, 58940, 65004, 70728, 75838, 81255, 88410, 108340, 113757, 117880, 130008, 151676, 162510, 176820, 189595, 216680, 227514, 303352, 325020, 353640, 379190, 455028, 568785, 650040, 758380, 910056, 1137570, 1516760, 2275140, 2280557, 4550280, 4561114, 6841671, 9122228, 11402785, 13683342, 15963899, 18244456, 22805570, 27366684, 31927798, 34208355, 45611140, 47891697, 54733368, 63855596, 68416710, 79819495, 91222280, 95783394, 127711192, 136833420, 159638990, 191566788, 239458485, 273666840, 319277980, 383133576, 478916970, 638555960, 957833940, 1915667880]

約数ペア:

[(1, 1915667880), (2, 957833940), (3, 638555960), (4, 478916970), (5, 383133576), (6, 319277980), (7, 273666840), (8, 239458485), (10, 191566788), (12, 159638990), (14, 136833420), (15, 127711192), (20, 95783394), (21, 91222280), (24, 79819495), (28, 68416710), (30, 63855596), (35, 54733368), (40, 47891697), (42, 45611140), (56, 34208355), (60, 31927798), (70, 27366684), (84, 22805570), (105, 18244456), (120, 15963899), (140, 13683342), (168, 11402785), (210, 9122228), (280, 6841671), (420, 4561114), (421, 4550280), (840, 2280557), (842, 2275140), (1263, 1516760), (1684, 1137570), (2105, 910056), (2526, 758380), (2947, 650040), (3368, 568785), (4210, 455028), (5052, 379190), (5417, 353640), (5894, 325020), (6315, 303352), (8420, 227514), (8841, 216680), (10104, 189595), (10834, 176820), (11788, 162510), (12630, 151676), (14735, 130008), (16251, 117880), (16840, 113757), (17682, 108340), (21668, 88410), (23576, 81255), (25260, 75838), (27085, 70728), (29470, 65004), (32502, 58940), (35364, 54170), (37919, 50520), (43336, 44205)]