20707219200

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{7759}}^1$

素因数の和:7927

約数の個数: 216

約数和(自身を含む): 68838649600

約数和(自身を除く): 48131430400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 139, 150, 160, 192, 200, 240, 256, 278, 300, 320, 384, 400, 417, 480, 556, 600, 640, 695, 768, 800, 834, 960, 1112, 1200, 1280, 1390, 1600, 1668, 1920, 2085, 2224, 2400, 2780, 3200, 3336, 3475, 3840, 4170, 4448, 4800, 5560, 6400, 6672, 6950, 7759, 8340, 8896, 9600, 10425, 11120, 13344, 13900, 15518, 16680, 17792, 19200, 20850, 22240, 23277, 26688, 27800, 31036, 33360, 35584, 38795, 41700, 44480, 46554, 53376, 55600, 62072, 66720, 77590, 83400, 88960, 93108, 106752, 111200, 116385, 124144, 133440, 155180, 166800, 177920, 186216, 193975, 222400, 232770, 248288, 266880, 310360, 333600, 372432, 387950, 444800, 465540, 496576, 533760, 581925, 620720, 667200, 744864, 775900, 889600, 931080, 993152, 1078501, 1163850, 1241440, 1334400, 1489728, 1551800, 1862160, 1986304, 2157002, 2327700, 2482880, 2668800, 2979456, 3103600, 3235503, 3724320, 4314004, 4655400, 4965760, 5392505, 5958912, 6207200, 6471006, 7448640, 8628008, 9310800, 9931520, 10785010, 12414400, 12942012, 14897280, 16177515, 17256016, 18621600, 21570020, 24828800, 25884024, 26962525, 29794560, 32355030, 34512032, 37243200, 43140040, 49657600, 51768048, 53925050, 64710060, 69024064, 74486400, 80887575, 86280080, 103536096, 107850100, 129420120, 138048128, 148972800, 161775150, 172560160, 207072192, 215700200, 258840240, 276096256, 323550300, 345120320, 414144384, 431400400, 517680480, 647100600, 690240640, 828288768, 862800800, 1035360960, 1294201200, 1380481280, 1725601600, 2070721920, 2588402400, 3451203200, 4141443840, 5176804800, 6902406400, 10353609600, 20707219200]

約数ペア:

[(1, 20707219200), (2, 10353609600), (3, 6902406400), (4, 5176804800), (5, 4141443840), (6, 3451203200), (8, 2588402400), (10, 2070721920), (12, 1725601600), (15, 1380481280), (16, 1294201200), (20, 1035360960), (24, 862800800), (25, 828288768), (30, 690240640), (32, 647100600), (40, 517680480), (48, 431400400), (50, 414144384), (60, 345120320), (64, 323550300), (75, 276096256), (80, 258840240), (96, 215700200), (100, 207072192), (120, 172560160), (128, 161775150), (139, 148972800), (150, 138048128), (160, 129420120), (192, 107850100), (200, 103536096), (240, 86280080), (256, 80887575), (278, 74486400), (300, 69024064), (320, 64710060), (384, 53925050), (400, 51768048), (417, 49657600), (480, 43140040), (556, 37243200), (600, 34512032), (640, 32355030), (695, 29794560), (768, 26962525), (800, 25884024), (834, 24828800), (960, 21570020), (1112, 18621600), (1200, 17256016), (1280, 16177515), (1390, 14897280), (1600, 12942012), (1668, 12414400), (1920, 10785010), (2085, 9931520), (2224, 9310800), (2400, 8628008), (2780, 7448640), (3200, 6471006), (3336, 6207200), (3475, 5958912), (3840, 5392505), (4170, 4965760), (4448, 4655400), (4800, 4314004), (5560, 3724320), (6400, 3235503), (6672, 3103600), (6950, 2979456), (7759, 2668800), (8340, 2482880), (8896, 2327700), (9600, 2157002), (10425, 1986304), (11120, 1862160), (13344, 1551800), (13900, 1489728), (15518, 1334400), (16680, 1241440), (17792, 1163850), (19200, 1078501), (20850, 993152), (22240, 931080), (23277, 889600), (26688, 775900), (27800, 744864), (31036, 667200), (33360, 620720), (35584, 581925), (38795, 533760), (41700, 496576), (44480, 465540), (46554, 444800), (53376, 387950), (55600, 372432), (62072, 333600), (66720, 310360), (77590, 266880), (83400, 248288), (88960, 232770), (93108, 222400), (106752, 193975), (111200, 186216), (116385, 177920), (124144, 166800), (133440, 155180)]