18968400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1$

素因数の和:514

約数の個数: 180

約数和(自身を含む): 71959680

約数和(自身を除く): 52991280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 99, 100, 110, 120, 132, 144, 150, 165, 176, 180, 198, 200, 220, 225, 240, 264, 275, 300, 330, 360, 396, 400, 440, 450, 479, 495, 528, 550, 600, 660, 720, 792, 825, 880, 900, 958, 990, 1100, 1200, 1320, 1437, 1584, 1650, 1800, 1916, 1980, 2200, 2395, 2475, 2640, 2874, 3300, 3600, 3832, 3960, 4311, 4400, 4790, 4950, 5269, 5748, 6600, 7185, 7664, 7920, 8622, 9580, 9900, 10538, 11496, 11975, 13200, 14370, 15807, 17244, 19160, 19800, 21076, 21555, 22992, 23950, 26345, 28740, 31614, 34488, 35925, 38320, 39600, 42152, 43110, 47421, 47900, 52690, 57480, 63228, 68976, 71850, 79035, 84304, 86220, 94842, 95800, 105380, 107775, 114960, 126456, 131725, 143700, 158070, 172440, 189684, 191600, 210760, 215550, 237105, 252912, 263450, 287400, 316140, 344880, 379368, 395175, 421520, 431100, 474210, 526900, 574800, 632280, 758736, 790350, 862200, 948420, 1053800, 1185525, 1264560, 1580700, 1724400, 1896840, 2107600, 2371050, 3161400, 3793680, 4742100, 6322800, 9484200, 18968400]

約数ペア:

[(1, 18968400), (2, 9484200), (3, 6322800), (4, 4742100), (5, 3793680), (6, 3161400), (8, 2371050), (9, 2107600), (10, 1896840), (11, 1724400), (12, 1580700), (15, 1264560), (16, 1185525), (18, 1053800), (20, 948420), (22, 862200), (24, 790350), (25, 758736), (30, 632280), (33, 574800), (36, 526900), (40, 474210), (44, 431100), (45, 421520), (48, 395175), (50, 379368), (55, 344880), (60, 316140), (66, 287400), (72, 263450), (75, 252912), (80, 237105), (88, 215550), (90, 210760), (99, 191600), (100, 189684), (110, 172440), (120, 158070), (132, 143700), (144, 131725), (150, 126456), (165, 114960), (176, 107775), (180, 105380), (198, 95800), (200, 94842), (220, 86220), (225, 84304), (240, 79035), (264, 71850), (275, 68976), (300, 63228), (330, 57480), (360, 52690), (396, 47900), (400, 47421), (440, 43110), (450, 42152), (479, 39600), (495, 38320), (528, 35925), (550, 34488), (600, 31614), (660, 28740), (720, 26345), (792, 23950), (825, 22992), (880, 21555), (900, 21076), (958, 19800), (990, 19160), (1100, 17244), (1200, 15807), (1320, 14370), (1437, 13200), (1584, 11975), (1650, 11496), (1800, 10538), (1916, 9900), (1980, 9580), (2200, 8622), (2395, 7920), (2475, 7664), (2640, 7185), (2874, 6600), (3300, 5748), (3600, 5269), (3832, 4950), (3960, 4790), (4311, 4400)]