19228470480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{839}}^1$

素因数の和:1226

約数の個数: 240

約数和(自身を含む): 65402064000

約数和(自身を除く): 46173593520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 229, 240, 278, 360, 417, 458, 556, 687, 695, 720, 834, 839, 916, 1112, 1145, 1251, 1374, 1390, 1668, 1678, 1832, 2061, 2085, 2224, 2290, 2502, 2517, 2748, 2780, 3336, 3356, 3435, 3664, 4122, 4170, 4195, 4580, 5004, 5034, 5496, 5560, 6255, 6672, 6712, 6870, 7551, 8244, 8340, 8390, 9160, 10008, 10068, 10305, 10992, 11120, 12510, 12585, 13424, 13740, 15102, 16488, 16680, 16780, 18320, 20016, 20136, 20610, 25020, 25170, 27480, 30204, 31831, 32976, 33360, 33560, 37755, 40272, 41220, 50040, 50340, 54960, 60408, 63662, 67120, 75510, 82440, 95493, 100080, 100680, 116621, 120816, 127324, 151020, 159155, 164880, 190986, 192131, 201360, 233242, 254648, 286479, 302040, 318310, 349863, 381972, 384262, 466484, 477465, 509296, 572958, 576393, 583105, 604080, 636620, 699726, 763944, 768524, 932968, 954930, 960655, 1049589, 1145916, 1152786, 1166210, 1273240, 1399452, 1432395, 1527888, 1537048, 1729179, 1749315, 1865936, 1909860, 1921310, 2099178, 2291832, 2305572, 2332420, 2546480, 2798904, 2864790, 2881965, 3074096, 3458358, 3498630, 3819720, 3842620, 4198356, 4583664, 4611144, 4664840, 5247945, 5597808, 5729580, 5763930, 6916716, 6997260, 7639440, 7685240, 8396712, 8645895, 9222288, 9329680, 10495890, 11459160, 11527860, 13833432, 13994520, 15370480, 16793424, 17291790, 20991780, 22918320, 23055720, 26706209, 27666864, 27989040, 34583580, 41983560, 46111440, 53412418, 69167160, 80118627, 83967120, 106824836, 133531045, 138334320, 160237254, 213649672, 240355881, 267062090, 320474508, 400593135, 427299344, 480711762, 534124180, 640949016, 801186270, 961423524, 1068248360, 1201779405, 1281898032, 1602372540, 1922847048, 2136496720, 2403558810, 3204745080, 3845694096, 4807117620, 6409490160, 9614235240, 19228470480]

約数ペア:

[(1, 19228470480), (2, 9614235240), (3, 6409490160), (4, 4807117620), (5, 3845694096), (6, 3204745080), (8, 2403558810), (9, 2136496720), (10, 1922847048), (12, 1602372540), (15, 1281898032), (16, 1201779405), (18, 1068248360), (20, 961423524), (24, 801186270), (30, 640949016), (36, 534124180), (40, 480711762), (45, 427299344), (48, 400593135), (60, 320474508), (72, 267062090), (80, 240355881), (90, 213649672), (120, 160237254), (139, 138334320), (144, 133531045), (180, 106824836), (229, 83967120), (240, 80118627), (278, 69167160), (360, 53412418), (417, 46111440), (458, 41983560), (556, 34583580), (687, 27989040), (695, 27666864), (720, 26706209), (834, 23055720), (839, 22918320), (916, 20991780), (1112, 17291790), (1145, 16793424), (1251, 15370480), (1374, 13994520), (1390, 13833432), (1668, 11527860), (1678, 11459160), (1832, 10495890), (2061, 9329680), (2085, 9222288), (2224, 8645895), (2290, 8396712), (2502, 7685240), (2517, 7639440), (2748, 6997260), (2780, 6916716), (3336, 5763930), (3356, 5729580), (3435, 5597808), (3664, 5247945), (4122, 4664840), (4170, 4611144), (4195, 4583664), (4580, 4198356), (5004, 3842620), (5034, 3819720), (5496, 3498630), (5560, 3458358), (6255, 3074096), (6672, 2881965), (6712, 2864790), (6870, 2798904), (7551, 2546480), (8244, 2332420), (8340, 2305572), (8390, 2291832), (9160, 2099178), (10008, 1921310), (10068, 1909860), (10305, 1865936), (10992, 1749315), (11120, 1729179), (12510, 1537048), (12585, 1527888), (13424, 1432395), (13740, 1399452), (15102, 1273240), (16488, 1166210), (16680, 1152786), (16780, 1145916), (18320, 1049589), (20016, 960655), (20136, 954930), (20610, 932968), (25020, 768524), (25170, 763944), (27480, 699726), (30204, 636620), (31831, 604080), (32976, 583105), (33360, 576393), (33560, 572958), (37755, 509296), (40272, 477465), (41220, 466484), (50040, 384262), (50340, 381972), (54960, 349863), (60408, 318310), (63662, 302040), (67120, 286479), (75510, 254648), (82440, 233242), (95493, 201360), (100080, 192131), (100680, 190986), (116621, 164880), (120816, 159155), (127324, 151020)]