161840640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1660

約数の個数: 160

約数和(自身を含む): 557526816

約数和(自身を除く): 395686176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1621, 1664, 1920, 2080, 2496, 2560, 3120, 3242, 3328, 3840, 4160, 4863, 4992, 6240, 6484, 6656, 7680, 8105, 8320, 9726, 9984, 12480, 12968, 16210, 16640, 19452, 19968, 21073, 24315, 24960, 25936, 32420, 33280, 38904, 42146, 48630, 49920, 51872, 63219, 64840, 77808, 84292, 97260, 99840, 103744, 105365, 126438, 129680, 155616, 168584, 194520, 207488, 210730, 252876, 259360, 311232, 316095, 337168, 389040, 414976, 421460, 505752, 518720, 622464, 632190, 674336, 778080, 829952, 842920, 1011504, 1037440, 1244928, 1264380, 1348672, 1556160, 1685840, 2023008, 2074880, 2489856, 2528760, 2697344, 3112320, 3371680, 4046016, 4149760, 5057520, 5394688, 6224640, 6743360, 8092032, 10115040, 10789376, 12449280, 13486720, 16184064, 20230080, 26973440, 32368128, 40460160, 53946880, 80920320, 161840640]

約数ペア:

[(1, 161840640), (2, 80920320), (3, 53946880), (4, 40460160), (5, 32368128), (6, 26973440), (8, 20230080), (10, 16184064), (12, 13486720), (13, 12449280), (15, 10789376), (16, 10115040), (20, 8092032), (24, 6743360), (26, 6224640), (30, 5394688), (32, 5057520), (39, 4149760), (40, 4046016), (48, 3371680), (52, 3112320), (60, 2697344), (64, 2528760), (65, 2489856), (78, 2074880), (80, 2023008), (96, 1685840), (104, 1556160), (120, 1348672), (128, 1264380), (130, 1244928), (156, 1037440), (160, 1011504), (192, 842920), (195, 829952), (208, 778080), (240, 674336), (256, 632190), (260, 622464), (312, 518720), (320, 505752), (384, 421460), (390, 414976), (416, 389040), (480, 337168), (512, 316095), (520, 311232), (624, 259360), (640, 252876), (768, 210730), (780, 207488), (832, 194520), (960, 168584), (1040, 155616), (1248, 129680), (1280, 126438), (1536, 105365), (1560, 103744), (1621, 99840), (1664, 97260), (1920, 84292), (2080, 77808), (2496, 64840), (2560, 63219), (3120, 51872), (3242, 49920), (3328, 48630), (3840, 42146), (4160, 38904), (4863, 33280), (4992, 32420), (6240, 25936), (6484, 24960), (6656, 24315), (7680, 21073), (8105, 19968), (8320, 19452), (9726, 16640), (9984, 16210), (12480, 12968)]