78399360

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 256

約数和(自身を含む): 299880000

約数和(自身を除く): 221480640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 349, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 698, 702, 720, 780, 832, 864, 936, 960, 1040, 1047, 1080, 1152, 1170, 1248, 1396, 1404, 1440, 1560, 1664, 1728, 1745, 1755, 1872, 1920, 2080, 2094, 2160, 2340, 2496, 2792, 2808, 2880, 3120, 3141, 3456, 3490, 3510, 3744, 4160, 4188, 4320, 4537, 4680, 4992, 5235, 5584, 5616, 5760, 6240, 6282, 6980, 7020, 7488, 8320, 8376, 8640, 9074, 9360, 9423, 10470, 11168, 11232, 12480, 12564, 13611, 13960, 14040, 14976, 15705, 16752, 17280, 18148, 18720, 18846, 20940, 22336, 22464, 22685, 24960, 25128, 27222, 27920, 28080, 31410, 33504, 36296, 37440, 37692, 40833, 41880, 44672, 44928, 45370, 47115, 50256, 54444, 55840, 56160, 62820, 67008, 68055, 72592, 74880, 75384, 81666, 83760, 90740, 94230, 100512, 108888, 111680, 112320, 122499, 125640, 134016, 136110, 145184, 150768, 163332, 167520, 181480, 188460, 201024, 204165, 217776, 223360, 224640, 244998, 251280, 272220, 290368, 301536, 326664, 335040, 362960, 376920, 402048, 408330, 435552, 489996, 502560, 544440, 580736, 603072, 612495, 653328, 670080, 725920, 753840, 816660, 871104, 979992, 1005120, 1088880, 1206144, 1224990, 1306656, 1451840, 1507680, 1633320, 1742208, 1959984, 2010240, 2177760, 2449980, 2613312, 2903680, 3015360, 3266640, 3919968, 4355520, 4899960, 5226624, 6030720, 6533280, 7839936, 8711040, 9799920, 13066560, 15679872, 19599840, 26133120, 39199680, 78399360]

約数ペア:

[(1, 78399360), (2, 39199680), (3, 26133120), (4, 19599840), (5, 15679872), (6, 13066560), (8, 9799920), (9, 8711040), (10, 7839936), (12, 6533280), (13, 6030720), (15, 5226624), (16, 4899960), (18, 4355520), (20, 3919968), (24, 3266640), (26, 3015360), (27, 2903680), (30, 2613312), (32, 2449980), (36, 2177760), (39, 2010240), (40, 1959984), (45, 1742208), (48, 1633320), (52, 1507680), (54, 1451840), (60, 1306656), (64, 1224990), (65, 1206144), (72, 1088880), (78, 1005120), (80, 979992), (90, 871104), (96, 816660), (104, 753840), (108, 725920), (117, 670080), (120, 653328), (128, 612495), (130, 603072), (135, 580736), (144, 544440), (156, 502560), (160, 489996), (180, 435552), (192, 408330), (195, 402048), (208, 376920), (216, 362960), (234, 335040), (240, 326664), (260, 301536), (270, 290368), (288, 272220), (312, 251280), (320, 244998), (349, 224640), (351, 223360), (360, 217776), (384, 204165), (390, 201024), (416, 188460), (432, 181480), (468, 167520), (480, 163332), (520, 150768), (540, 145184), (576, 136110), (585, 134016), (624, 125640), (640, 122499), (698, 112320), (702, 111680), (720, 108888), (780, 100512), (832, 94230), (864, 90740), (936, 83760), (960, 81666), (1040, 75384), (1047, 74880), (1080, 72592), (1152, 68055), (1170, 67008), (1248, 62820), (1396, 56160), (1404, 55840), (1440, 54444), (1560, 50256), (1664, 47115), (1728, 45370), (1745, 44928), (1755, 44672), (1872, 41880), (1920, 40833), (2080, 37692), (2094, 37440), (2160, 36296), (2340, 33504), (2496, 31410), (2792, 28080), (2808, 27920), (2880, 27222), (3120, 25128), (3141, 24960), (3456, 22685), (3490, 22464), (3510, 22336), (3744, 20940), (4160, 18846), (4188, 18720), (4320, 18148), (4537, 17280), (4680, 16752), (4992, 15705), (5235, 14976), (5584, 14040), (5616, 13960), (5760, 13611), (6240, 12564), (6282, 12480), (6980, 11232), (7020, 11168), (7488, 10470), (8320, 9423), (8376, 9360), (8640, 9074)]