201509280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19991}}^1$

素因数の和:20019

約数の個数: 144

約数和(自身を含む): 785925504

約数和(自身を除く): 584416224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 19991, 39982, 59973, 79964, 99955, 119946, 139937, 159928, 179919, 199910, 239892, 279874, 299865, 319856, 359838, 399820, 419811, 479784, 559748, 599730, 639712, 699685, 719676, 799640, 839622, 899595, 959568, 1119496, 1199460, 1259433, 1399370, 1439352, 1599280, 1679244, 1799190, 1919136, 2099055, 2238992, 2398920, 2518866, 2798740, 2878704, 3198560, 3358488, 3598380, 4198110, 4477984, 4797840, 5037732, 5597480, 5757408, 6297165, 6716976, 7196760, 8396220, 9595680, 10075464, 11194960, 12594330, 13433952, 14393520, 16792440, 20150928, 22389920, 25188660, 28787040, 33584880, 40301856, 50377320, 67169760, 100754640, 201509280]

約数ペア:

[(1, 201509280), (2, 100754640), (3, 67169760), (4, 50377320), (5, 40301856), (6, 33584880), (7, 28787040), (8, 25188660), (9, 22389920), (10, 20150928), (12, 16792440), (14, 14393520), (15, 13433952), (16, 12594330), (18, 11194960), (20, 10075464), (21, 9595680), (24, 8396220), (28, 7196760), (30, 6716976), (32, 6297165), (35, 5757408), (36, 5597480), (40, 5037732), (42, 4797840), (45, 4477984), (48, 4198110), (56, 3598380), (60, 3358488), (63, 3198560), (70, 2878704), (72, 2798740), (80, 2518866), (84, 2398920), (90, 2238992), (96, 2099055), (105, 1919136), (112, 1799190), (120, 1679244), (126, 1599280), (140, 1439352), (144, 1399370), (160, 1259433), (168, 1199460), (180, 1119496), (210, 959568), (224, 899595), (240, 839622), (252, 799640), (280, 719676), (288, 699685), (315, 639712), (336, 599730), (360, 559748), (420, 479784), (480, 419811), (504, 399820), (560, 359838), (630, 319856), (672, 299865), (720, 279874), (840, 239892), (1008, 199910), (1120, 179919), (1260, 159928), (1440, 139937), (1680, 119946), (2016, 99955), (2520, 79964), (3360, 59973), (5040, 39982), (10080, 19991)]