80920320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1658

約数の個数: 144

約数和(自身を含む): 278490912

約数和(自身を除く): 197570592

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, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1621, 1664, 1920, 2080, 2496, 3120, 3242, 3328, 3840, 4160, 4863, 4992, 6240, 6484, 8105, 8320, 9726, 9984, 12480, 12968, 16210, 16640, 19452, 21073, 24315, 24960, 25936, 32420, 38904, 42146, 48630, 49920, 51872, 63219, 64840, 77808, 84292, 97260, 103744, 105365, 126438, 129680, 155616, 168584, 194520, 207488, 210730, 252876, 259360, 311232, 316095, 337168, 389040, 414976, 421460, 505752, 518720, 622464, 632190, 674336, 778080, 842920, 1011504, 1037440, 1244928, 1264380, 1348672, 1556160, 1685840, 2023008, 2074880, 2528760, 2697344, 3112320, 3371680, 4046016, 5057520, 5394688, 6224640, 6743360, 8092032, 10115040, 13486720, 16184064, 20230080, 26973440, 40460160, 80920320]

約数ペア:

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