161366400

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 288

約数和(自身を含む): 621522720

約数和(自身を除く): 460156320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 64, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 128, 130, 144, 150, 156, 160, 180, 192, 195, 200, 208, 225, 234, 240, 260, 288, 300, 312, 320, 325, 360, 384, 390, 400, 416, 431, 450, 468, 480, 520, 576, 585, 600, 624, 640, 650, 720, 780, 800, 832, 862, 900, 936, 960, 975, 1040, 1152, 1170, 1200, 1248, 1293, 1300, 1440, 1560, 1600, 1664, 1724, 1800, 1872, 1920, 1950, 2080, 2155, 2340, 2400, 2496, 2586, 2600, 2880, 2925, 3120, 3200, 3448, 3600, 3744, 3879, 3900, 4160, 4310, 4680, 4800, 4992, 5172, 5200, 5603, 5760, 5850, 6240, 6465, 6896, 7200, 7488, 7758, 7800, 8320, 8620, 9360, 9600, 10344, 10400, 10775, 11206, 11700, 12480, 12930, 13792, 14400, 14976, 15516, 15600, 16809, 17240, 18720, 19395, 20688, 20800, 21550, 22412, 23400, 24960, 25860, 27584, 28015, 28800, 31032, 31200, 32325, 33618, 34480, 37440, 38790, 41376, 41600, 43100, 44824, 46800, 50427, 51720, 55168, 56030, 62064, 62400, 64650, 67236, 68960, 74880, 77580, 82752, 84045, 86200, 89648, 93600, 96975, 100854, 103440, 112060, 124128, 124800, 129300, 134472, 137920, 140075, 155160, 165504, 168090, 172400, 179296, 187200, 193950, 201708, 206880, 224120, 248256, 252135, 258600, 268944, 275840, 280150, 310320, 336180, 344800, 358592, 374400, 387900, 403416, 413760, 420225, 448240, 496512, 504270, 517200, 537888, 560300, 620640, 672360, 689600, 717184, 775800, 806832, 827520, 840450, 896480, 1008540, 1034400, 1075776, 1120600, 1241280, 1260675, 1344720, 1379200, 1551600, 1613664, 1680900, 1792960, 2017080, 2068800, 2151552, 2241200, 2482560, 2521350, 2689440, 3103200, 3227328, 3361800, 3585920, 4034160, 4137600, 4482400, 5042700, 5378880, 6206400, 6454656, 6723600, 8068320, 8964800, 10085400, 10757760, 12412800, 13447200, 16136640, 17929600, 20170800, 26894400, 32273280, 40341600, 53788800, 80683200, 161366400]

約数ペア:

[(1, 161366400), (2, 80683200), (3, 53788800), (4, 40341600), (5, 32273280), (6, 26894400), (8, 20170800), (9, 17929600), (10, 16136640), (12, 13447200), (13, 12412800), (15, 10757760), (16, 10085400), (18, 8964800), (20, 8068320), (24, 6723600), (25, 6454656), (26, 6206400), (30, 5378880), (32, 5042700), (36, 4482400), (39, 4137600), (40, 4034160), (45, 3585920), (48, 3361800), (50, 3227328), (52, 3103200), (60, 2689440), (64, 2521350), (65, 2482560), (72, 2241200), (75, 2151552), (78, 2068800), (80, 2017080), (90, 1792960), (96, 1680900), (100, 1613664), (104, 1551600), (117, 1379200), (120, 1344720), (128, 1260675), (130, 1241280), (144, 1120600), (150, 1075776), (156, 1034400), (160, 1008540), (180, 896480), (192, 840450), (195, 827520), (200, 806832), (208, 775800), (225, 717184), (234, 689600), (240, 672360), (260, 620640), (288, 560300), (300, 537888), (312, 517200), (320, 504270), (325, 496512), (360, 448240), (384, 420225), (390, 413760), (400, 403416), (416, 387900), (431, 374400), (450, 358592), (468, 344800), (480, 336180), (520, 310320), (576, 280150), (585, 275840), (600, 268944), (624, 258600), (640, 252135), (650, 248256), (720, 224120), (780, 206880), (800, 201708), (832, 193950), (862, 187200), (900, 179296), (936, 172400), (960, 168090), (975, 165504), (1040, 155160), (1152, 140075), (1170, 137920), (1200, 134472), (1248, 129300), (1293, 124800), (1300, 124128), (1440, 112060), (1560, 103440), (1600, 100854), (1664, 96975), (1724, 93600), (1800, 89648), (1872, 86200), (1920, 84045), (1950, 82752), (2080, 77580), (2155, 74880), (2340, 68960), (2400, 67236), (2496, 64650), (2586, 62400), (2600, 62064), (2880, 56030), (2925, 55168), (3120, 51720), (3200, 50427), (3448, 46800), (3600, 44824), (3744, 43100), (3879, 41600), (3900, 41376), (4160, 38790), (4310, 37440), (4680, 34480), (4800, 33618), (4992, 32325), (5172, 31200), (5200, 31032), (5603, 28800), (5760, 28015), (5850, 27584), (6240, 25860), (6465, 24960), (6896, 23400), (7200, 22412), (7488, 21550), (7758, 20800), (7800, 20688), (8320, 19395), (8620, 18720), (9360, 17240), (9600, 16809), (10344, 15600), (10400, 15516), (10775, 14976), (11206, 14400), (11700, 13792), (12480, 12930)]