640860480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17153

約数の個数: 168

約数和(自身を含む): 2373992712

約数和(自身を除く): 1733132232

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, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 12480, 17117, 18720, 34234, 37440, 51351, 68468, 85585, 102702, 136936, 154053, 171170, 205404, 222521, 256755, 273872, 308106, 342340, 410808, 445042, 513510, 547744, 616212, 667563, 684680, 770265, 821616, 890084, 1027020, 1095488, 1112605, 1232424, 1335126, 1369360, 1540530, 1643232, 1780168, 2002689, 2054040, 2225210, 2464848, 2670252, 2738720, 3081060, 3286464, 3337815, 3560336, 4005378, 4108080, 4450420, 4929696, 5340504, 5477440, 6162120, 6675630, 7120672, 8010756, 8216160, 8900840, 9859392, 10013445, 10681008, 12324240, 13351260, 14241344, 16021512, 16432320, 17801680, 20026890, 21362016, 24648480, 26702520, 32043024, 35603360, 40053780, 42724032, 49296960, 53405040, 64086048, 71206720, 80107560, 106810080, 128172096, 160215120, 213620160, 320430240, 640860480]

約数ペア:

[(1, 640860480), (2, 320430240), (3, 213620160), (4, 160215120), (5, 128172096), (6, 106810080), (8, 80107560), (9, 71206720), (10, 64086048), (12, 53405040), (13, 49296960), (15, 42724032), (16, 40053780), (18, 35603360), (20, 32043024), (24, 26702520), (26, 24648480), (30, 21362016), (32, 20026890), (36, 17801680), (39, 16432320), (40, 16021512), (45, 14241344), (48, 13351260), (52, 12324240), (60, 10681008), (64, 10013445), (65, 9859392), (72, 8900840), (78, 8216160), (80, 8010756), (90, 7120672), (96, 6675630), (104, 6162120), (117, 5477440), (120, 5340504), (130, 4929696), (144, 4450420), (156, 4108080), (160, 4005378), (180, 3560336), (192, 3337815), (195, 3286464), (208, 3081060), (234, 2738720), (240, 2670252), (260, 2464848), (288, 2225210), (312, 2054040), (320, 2002689), (360, 1780168), (390, 1643232), (416, 1540530), (468, 1369360), (480, 1335126), (520, 1232424), (576, 1112605), (585, 1095488), (624, 1027020), (720, 890084), (780, 821616), (832, 770265), (936, 684680), (960, 667563), (1040, 616212), (1170, 547744), (1248, 513510), (1440, 445042), (1560, 410808), (1872, 342340), (2080, 308106), (2340, 273872), (2496, 256755), (2880, 222521), (3120, 205404), (3744, 171170), (4160, 154053), (4680, 136936), (6240, 102702), (7488, 85585), (9360, 68468), (12480, 51351), (17117, 37440), (18720, 34234)]