320661120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 256

約数和(自身を含む): 1141257600

約数和(自身を除く): 820596480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 64, 65, 78, 80, 87, 96, 104, 116, 120, 128, 130, 145, 156, 160, 174, 192, 195, 208, 232, 240, 260, 290, 312, 320, 348, 377, 384, 390, 416, 435, 443, 464, 480, 520, 580, 624, 640, 696, 754, 780, 832, 870, 886, 928, 960, 1040, 1131, 1160, 1248, 1329, 1392, 1508, 1560, 1664, 1740, 1772, 1856, 1885, 1920, 2080, 2215, 2262, 2320, 2496, 2658, 2784, 3016, 3120, 3480, 3544, 3712, 3770, 4160, 4430, 4524, 4640, 4992, 5316, 5568, 5655, 5759, 6032, 6240, 6645, 6960, 7088, 7540, 8320, 8860, 9048, 9280, 10632, 11136, 11310, 11518, 12064, 12480, 12847, 13290, 13920, 14176, 15080, 17277, 17720, 18096, 18560, 21264, 22620, 23036, 24128, 24960, 25694, 26580, 27840, 28352, 28795, 30160, 34554, 35440, 36192, 38541, 42528, 45240, 46072, 48256, 51388, 53160, 55680, 56704, 57590, 60320, 64235, 69108, 70880, 72384, 77082, 85056, 86385, 90480, 92144, 102776, 106320, 115180, 120640, 128470, 138216, 141760, 144768, 154164, 167011, 170112, 172770, 180960, 184288, 192705, 205552, 212640, 230360, 241280, 256940, 276432, 283520, 308328, 334022, 345540, 361920, 368576, 385410, 411104, 425280, 460720, 501033, 513880, 552864, 616656, 668044, 691080, 723840, 737152, 770820, 822208, 835055, 850560, 921440, 1002066, 1027760, 1105728, 1233312, 1336088, 1382160, 1541640, 1644416, 1670110, 1842880, 2004132, 2055520, 2211456, 2466624, 2505165, 2672176, 2764320, 3083280, 3340220, 3685760, 4008264, 4111040, 4933248, 5010330, 5344352, 5528640, 6166560, 6680440, 8016528, 8222080, 10020660, 10688704, 11057280, 12333120, 13360880, 16033056, 20041320, 21377408, 24666240, 26721760, 32066112, 40082640, 53443520, 64132224, 80165280, 106887040, 160330560, 320661120]

約数ペア:

[(1, 320661120), (2, 160330560), (3, 106887040), (4, 80165280), (5, 64132224), (6, 53443520), (8, 40082640), (10, 32066112), (12, 26721760), (13, 24666240), (15, 21377408), (16, 20041320), (20, 16033056), (24, 13360880), (26, 12333120), (29, 11057280), (30, 10688704), (32, 10020660), (39, 8222080), (40, 8016528), (48, 6680440), (52, 6166560), (58, 5528640), (60, 5344352), (64, 5010330), (65, 4933248), (78, 4111040), (80, 4008264), (87, 3685760), (96, 3340220), (104, 3083280), (116, 2764320), (120, 2672176), (128, 2505165), (130, 2466624), (145, 2211456), (156, 2055520), (160, 2004132), (174, 1842880), (192, 1670110), (195, 1644416), (208, 1541640), (232, 1382160), (240, 1336088), (260, 1233312), (290, 1105728), (312, 1027760), (320, 1002066), (348, 921440), (377, 850560), (384, 835055), (390, 822208), (416, 770820), (435, 737152), (443, 723840), (464, 691080), (480, 668044), (520, 616656), (580, 552864), (624, 513880), (640, 501033), (696, 460720), (754, 425280), (780, 411104), (832, 385410), (870, 368576), (886, 361920), (928, 345540), (960, 334022), (1040, 308328), (1131, 283520), (1160, 276432), (1248, 256940), (1329, 241280), (1392, 230360), (1508, 212640), (1560, 205552), (1664, 192705), (1740, 184288), (1772, 180960), (1856, 172770), (1885, 170112), (1920, 167011), (2080, 154164), (2215, 144768), (2262, 141760), (2320, 138216), (2496, 128470), (2658, 120640), (2784, 115180), (3016, 106320), (3120, 102776), (3480, 92144), (3544, 90480), (3712, 86385), (3770, 85056), (4160, 77082), (4430, 72384), (4524, 70880), (4640, 69108), (4992, 64235), (5316, 60320), (5568, 57590), (5655, 56704), (5759, 55680), (6032, 53160), (6240, 51388), (6645, 48256), (6960, 46072), (7088, 45240), (7540, 42528), (8320, 38541), (8860, 36192), (9048, 35440), (9280, 34554), (10632, 30160), (11136, 28795), (11310, 28352), (11518, 27840), (12064, 26580), (12480, 25694), (12847, 24960), (13290, 24128), (13920, 23036), (14176, 22620), (15080, 21264), (17277, 18560), (17720, 18096)]