2158939440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{142787}}^1$

素因数の和:142816

約数の個数: 160

約数和(自身を含む): 8498741760

約数和(自身を除く): 6339802320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 142787, 285574, 428361, 571148, 713935, 856722, 999509, 1142296, 1285083, 1427870, 1713444, 1999018, 2141805, 2284592, 2570166, 2855740, 2998527, 3426888, 3855249, 3998036, 4283610, 4997545, 5140332, 5711480, 5997054, 6425415, 6853776, 7710498, 7996072, 8567220, 8995581, 9995090, 10280664, 11422960, 11994108, 12850830, 14992635, 15420996, 15992144, 17134440, 17991162, 19276245, 19990180, 20561328, 23988216, 25701660, 26986743, 29985270, 30841992, 34268880, 35982324, 38552490, 39980360, 44977905, 47976432, 51403320, 53973486, 59970540, 61683984, 71964648, 77104980, 79960720, 89955810, 102806640, 107946972, 119941080, 134933715, 143929296, 154209960, 179911620, 215893944, 239882160, 269867430, 308419920, 359823240, 431787888, 539734860, 719646480, 1079469720, 2158939440]

約数ペア:

[(1, 2158939440), (2, 1079469720), (3, 719646480), (4, 539734860), (5, 431787888), (6, 359823240), (7, 308419920), (8, 269867430), (9, 239882160), (10, 215893944), (12, 179911620), (14, 154209960), (15, 143929296), (16, 134933715), (18, 119941080), (20, 107946972), (21, 102806640), (24, 89955810), (27, 79960720), (28, 77104980), (30, 71964648), (35, 61683984), (36, 59970540), (40, 53973486), (42, 51403320), (45, 47976432), (48, 44977905), (54, 39980360), (56, 38552490), (60, 35982324), (63, 34268880), (70, 30841992), (72, 29985270), (80, 26986743), (84, 25701660), (90, 23988216), (105, 20561328), (108, 19990180), (112, 19276245), (120, 17991162), (126, 17134440), (135, 15992144), (140, 15420996), (144, 14992635), (168, 12850830), (180, 11994108), (189, 11422960), (210, 10280664), (216, 9995090), (240, 8995581), (252, 8567220), (270, 7996072), (280, 7710498), (315, 6853776), (336, 6425415), (360, 5997054), (378, 5711480), (420, 5140332), (432, 4997545), (504, 4283610), (540, 3998036), (560, 3855249), (630, 3426888), (720, 2998527), (756, 2855740), (840, 2570166), (945, 2284592), (1008, 2141805), (1080, 1999018), (1260, 1713444), (1512, 1427870), (1680, 1285083), (1890, 1142296), (2160, 999509), (2520, 856722), (3024, 713935), (3780, 571148), (5040, 428361), (7560, 285574), (15120, 142787)]