218085840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43271}}^1$

素因数の和:43297

約数の個数: 120

約数和(自身を含む): 837053568

約数和(自身を除く): 618967728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43271, 86542, 129813, 173084, 216355, 259626, 302897, 346168, 389439, 432710, 519252, 605794, 649065, 692336, 778878, 865420, 908691, 1038504, 1211588, 1298130, 1514485, 1557756, 1730840, 1817382, 1947195, 2077008, 2423176, 2596260, 2726073, 3028970, 3115512, 3461680, 3634764, 3894390, 4543455, 4846352, 5192520, 5452146, 6057940, 6231024, 7269528, 7788780, 9086910, 10385040, 10904292, 12115880, 13630365, 14539056, 15577560, 18173820, 21808584, 24231760, 27260730, 31155120, 36347640, 43617168, 54521460, 72695280, 109042920, 218085840]

約数ペア:

[(1, 218085840), (2, 109042920), (3, 72695280), (4, 54521460), (5, 43617168), (6, 36347640), (7, 31155120), (8, 27260730), (9, 24231760), (10, 21808584), (12, 18173820), (14, 15577560), (15, 14539056), (16, 13630365), (18, 12115880), (20, 10904292), (21, 10385040), (24, 9086910), (28, 7788780), (30, 7269528), (35, 6231024), (36, 6057940), (40, 5452146), (42, 5192520), (45, 4846352), (48, 4543455), (56, 3894390), (60, 3634764), (63, 3461680), (70, 3115512), (72, 3028970), (80, 2726073), (84, 2596260), (90, 2423176), (105, 2077008), (112, 1947195), (120, 1817382), (126, 1730840), (140, 1557756), (144, 1514485), (168, 1298130), (180, 1211588), (210, 1038504), (240, 908691), (252, 865420), (280, 778878), (315, 692336), (336, 649065), (360, 605794), (420, 519252), (504, 432710), (560, 389439), (630, 346168), (720, 302897), (840, 259626), (1008, 216355), (1260, 173084), (1680, 129813), (2520, 86542), (5040, 43271)]