18290880

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 224

約数和(自身を含む): 67665600

約数和(自身を除く): 49374720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 73, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 146, 160, 174, 180, 192, 216, 219, 232, 240, 261, 270, 288, 290, 292, 320, 348, 360, 365, 432, 435, 438, 464, 480, 522, 540, 576, 580, 584, 657, 696, 720, 730, 783, 864, 870, 876, 928, 960, 1044, 1080, 1095, 1160, 1168, 1305, 1314, 1392, 1440, 1460, 1566, 1728, 1740, 1752, 1856, 1971, 2088, 2117, 2160, 2190, 2320, 2336, 2610, 2628, 2784, 2880, 2920, 3132, 3285, 3480, 3504, 3915, 3942, 4176, 4234, 4320, 4380, 4640, 4672, 5220, 5256, 5568, 5840, 6264, 6351, 6570, 6960, 7008, 7830, 7884, 8352, 8468, 8640, 8760, 9280, 9855, 10440, 10512, 10585, 11680, 12528, 12702, 13140, 13920, 14016, 15660, 15768, 16704, 16936, 17520, 19053, 19710, 20880, 21024, 21170, 23360, 25056, 25404, 26280, 27840, 31320, 31536, 31755, 33872, 35040, 38106, 39420, 41760, 42048, 42340, 50112, 50808, 52560, 57159, 62640, 63072, 63510, 67744, 70080, 76212, 78840, 83520, 84680, 95265, 101616, 105120, 114318, 125280, 126144, 127020, 135488, 152424, 157680, 169360, 190530, 203232, 210240, 228636, 250560, 254040, 285795, 304848, 315360, 338720, 381060, 406464, 457272, 508080, 571590, 609696, 630720, 677440, 762120, 914544, 1016160, 1143180, 1219392, 1524240, 1829088, 2032320, 2286360, 3048480, 3658176, 4572720, 6096960, 9145440, 18290880]

約数ペア:

[(1, 18290880), (2, 9145440), (3, 6096960), (4, 4572720), (5, 3658176), (6, 3048480), (8, 2286360), (9, 2032320), (10, 1829088), (12, 1524240), (15, 1219392), (16, 1143180), (18, 1016160), (20, 914544), (24, 762120), (27, 677440), (29, 630720), (30, 609696), (32, 571590), (36, 508080), (40, 457272), (45, 406464), (48, 381060), (54, 338720), (58, 315360), (60, 304848), (64, 285795), (72, 254040), (73, 250560), (80, 228636), (87, 210240), (90, 203232), (96, 190530), (108, 169360), (116, 157680), (120, 152424), (135, 135488), (144, 127020), (145, 126144), (146, 125280), (160, 114318), (174, 105120), (180, 101616), (192, 95265), (216, 84680), (219, 83520), (232, 78840), (240, 76212), (261, 70080), (270, 67744), (288, 63510), (290, 63072), (292, 62640), (320, 57159), (348, 52560), (360, 50808), (365, 50112), (432, 42340), (435, 42048), (438, 41760), (464, 39420), (480, 38106), (522, 35040), (540, 33872), (576, 31755), (580, 31536), (584, 31320), (657, 27840), (696, 26280), (720, 25404), (730, 25056), (783, 23360), (864, 21170), (870, 21024), (876, 20880), (928, 19710), (960, 19053), (1044, 17520), (1080, 16936), (1095, 16704), (1160, 15768), (1168, 15660), (1305, 14016), (1314, 13920), (1392, 13140), (1440, 12702), (1460, 12528), (1566, 11680), (1728, 10585), (1740, 10512), (1752, 10440), (1856, 9855), (1971, 9280), (2088, 8760), (2117, 8640), (2160, 8468), (2190, 8352), (2320, 7884), (2336, 7830), (2610, 7008), (2628, 6960), (2784, 6570), (2880, 6351), (2920, 6264), (3132, 5840), (3285, 5568), (3480, 5256), (3504, 5220), (3915, 4672), (3942, 4640), (4176, 4380), (4234, 4320)]