64621440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:901

約数の個数: 192

約数和(自身を含む): 240589440

約数和(自身を除く): 175968000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 863, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1726, 1872, 1920, 2080, 2340, 2496, 2589, 2880, 3120, 3452, 3744, 4160, 4315, 4680, 4992, 5178, 5760, 6240, 6904, 7488, 7767, 8320, 8630, 9360, 10356, 11219, 12480, 12945, 13808, 14976, 15534, 17260, 18720, 20712, 22438, 24960, 25890, 27616, 31068, 33657, 34520, 37440, 38835, 41424, 44876, 51780, 55232, 56095, 62136, 67314, 69040, 74880, 77670, 82848, 89752, 100971, 103560, 110464, 112190, 124272, 134628, 138080, 155340, 165696, 168285, 179504, 201942, 207120, 224380, 248544, 269256, 276160, 310680, 331392, 336570, 359008, 403884, 414240, 448760, 497088, 504855, 538512, 552320, 621360, 673140, 718016, 807768, 828480, 897520, 994176, 1009710, 1077024, 1242720, 1346280, 1436032, 1615536, 1656960, 1795040, 2019420, 2154048, 2485440, 2692560, 3231072, 3590080, 4038840, 4308096, 4970880, 5385120, 6462144, 7180160, 8077680, 10770240, 12924288, 16155360, 21540480, 32310720, 64621440]

約数ペア:

[(1, 64621440), (2, 32310720), (3, 21540480), (4, 16155360), (5, 12924288), (6, 10770240), (8, 8077680), (9, 7180160), (10, 6462144), (12, 5385120), (13, 4970880), (15, 4308096), (16, 4038840), (18, 3590080), (20, 3231072), (24, 2692560), (26, 2485440), (30, 2154048), (32, 2019420), (36, 1795040), (39, 1656960), (40, 1615536), (45, 1436032), (48, 1346280), (52, 1242720), (60, 1077024), (64, 1009710), (65, 994176), (72, 897520), (78, 828480), (80, 807768), (90, 718016), (96, 673140), (104, 621360), (117, 552320), (120, 538512), (128, 504855), (130, 497088), (144, 448760), (156, 414240), (160, 403884), (180, 359008), (192, 336570), (195, 331392), (208, 310680), (234, 276160), (240, 269256), (260, 248544), (288, 224380), (312, 207120), (320, 201942), (360, 179504), (384, 168285), (390, 165696), (416, 155340), (468, 138080), (480, 134628), (520, 124272), (576, 112190), (585, 110464), (624, 103560), (640, 100971), (720, 89752), (780, 82848), (832, 77670), (863, 74880), (936, 69040), (960, 67314), (1040, 62136), (1152, 56095), (1170, 55232), (1248, 51780), (1440, 44876), (1560, 41424), (1664, 38835), (1726, 37440), (1872, 34520), (1920, 33657), (2080, 31068), (2340, 27616), (2496, 25890), (2589, 24960), (2880, 22438), (3120, 20712), (3452, 18720), (3744, 17260), (4160, 15534), (4315, 14976), (4680, 13808), (4992, 12945), (5178, 12480), (5760, 11219), (6240, 10356), (6904, 9360), (7488, 8630), (7767, 8320)]