19896404400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{39761}}^1$

素因数の和:39924

約数の個数: 180

約数和(自身を含む): 69544533240

約数和(自身を除く): 49648128840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 139, 144, 150, 180, 200, 225, 240, 278, 300, 360, 400, 417, 450, 556, 600, 695, 720, 834, 900, 1112, 1200, 1251, 1390, 1668, 1800, 2085, 2224, 2502, 2780, 3336, 3475, 3600, 4170, 5004, 5560, 6255, 6672, 6950, 8340, 10008, 10425, 11120, 12510, 13900, 16680, 20016, 20850, 25020, 27800, 31275, 33360, 39761, 41700, 50040, 55600, 62550, 79522, 83400, 100080, 119283, 125100, 159044, 166800, 198805, 238566, 250200, 318088, 357849, 397610, 477132, 500400, 596415, 636176, 715698, 795220, 954264, 994025, 1192830, 1431396, 1590440, 1789245, 1908528, 1988050, 2385660, 2862792, 2982075, 3180880, 3578490, 3976100, 4771320, 5526779, 5725584, 5964150, 7156980, 7952200, 8946225, 9542640, 11053558, 11928300, 14313960, 15904400, 16580337, 17892450, 22107116, 23856600, 27633895, 28627920, 33160674, 35784900, 44214232, 47713200, 49741011, 55267790, 66321348, 71569800, 82901685, 88428464, 99482022, 110535580, 132642696, 138169475, 143139600, 165803370, 198964044, 221071160, 248705055, 265285392, 276338950, 331606740, 397928088, 414508425, 442142320, 497410110, 552677900, 663213480, 795856176, 829016850, 994820220, 1105355800, 1243525275, 1326426960, 1658033700, 1989640440, 2210711600, 2487050550, 3316067400, 3979280880, 4974101100, 6632134800, 9948202200, 19896404400]

約数ペア:

[(1, 19896404400), (2, 9948202200), (3, 6632134800), (4, 4974101100), (5, 3979280880), (6, 3316067400), (8, 2487050550), (9, 2210711600), (10, 1989640440), (12, 1658033700), (15, 1326426960), (16, 1243525275), (18, 1105355800), (20, 994820220), (24, 829016850), (25, 795856176), (30, 663213480), (36, 552677900), (40, 497410110), (45, 442142320), (48, 414508425), (50, 397928088), (60, 331606740), (72, 276338950), (75, 265285392), (80, 248705055), (90, 221071160), (100, 198964044), (120, 165803370), (139, 143139600), (144, 138169475), (150, 132642696), (180, 110535580), (200, 99482022), (225, 88428464), (240, 82901685), (278, 71569800), (300, 66321348), (360, 55267790), (400, 49741011), (417, 47713200), (450, 44214232), (556, 35784900), (600, 33160674), (695, 28627920), (720, 27633895), (834, 23856600), (900, 22107116), (1112, 17892450), (1200, 16580337), (1251, 15904400), (1390, 14313960), (1668, 11928300), (1800, 11053558), (2085, 9542640), (2224, 8946225), (2502, 7952200), (2780, 7156980), (3336, 5964150), (3475, 5725584), (3600, 5526779), (4170, 4771320), (5004, 3976100), (5560, 3578490), (6255, 3180880), (6672, 2982075), (6950, 2862792), (8340, 2385660), (10008, 1988050), (10425, 1908528), (11120, 1789245), (12510, 1590440), (13900, 1431396), (16680, 1192830), (20016, 994025), (20850, 954264), (25020, 795220), (27800, 715698), (31275, 636176), (33360, 596415), (39761, 500400), (41700, 477132), (50040, 397610), (55600, 357849), (62550, 318088), (79522, 250200), (83400, 238566), (100080, 198805), (119283, 166800), (125100, 159044)]