68540160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1410

約数の個数: 144

約数和(自身を含む): 235910304

約数和(自身を除く): 167370144

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, 1373, 1560, 1664, 1920, 2080, 2496, 2746, 3120, 3328, 3840, 4119, 4160, 4992, 5492, 6240, 6865, 8238, 8320, 9984, 10984, 12480, 13730, 16476, 16640, 17849, 20595, 21968, 24960, 27460, 32952, 35698, 41190, 43936, 49920, 53547, 54920, 65904, 71396, 82380, 87872, 89245, 107094, 109840, 131808, 142792, 164760, 175744, 178490, 214188, 219680, 263616, 267735, 285584, 329520, 351488, 356980, 428376, 439360, 527232, 535470, 571168, 659040, 713960, 856752, 878720, 1054464, 1070940, 1142336, 1318080, 1427920, 1713504, 1757440, 2141880, 2284672, 2636160, 2855840, 3427008, 4283760, 4569344, 5272320, 5711680, 6854016, 8567520, 11423360, 13708032, 17135040, 22846720, 34270080, 68540160]

約数ペア:

[(1, 68540160), (2, 34270080), (3, 22846720), (4, 17135040), (5, 13708032), (6, 11423360), (8, 8567520), (10, 6854016), (12, 5711680), (13, 5272320), (15, 4569344), (16, 4283760), (20, 3427008), (24, 2855840), (26, 2636160), (30, 2284672), (32, 2141880), (39, 1757440), (40, 1713504), (48, 1427920), (52, 1318080), (60, 1142336), (64, 1070940), (65, 1054464), (78, 878720), (80, 856752), (96, 713960), (104, 659040), (120, 571168), (128, 535470), (130, 527232), (156, 439360), (160, 428376), (192, 356980), (195, 351488), (208, 329520), (240, 285584), (256, 267735), (260, 263616), (312, 219680), (320, 214188), (384, 178490), (390, 175744), (416, 164760), (480, 142792), (520, 131808), (624, 109840), (640, 107094), (768, 89245), (780, 87872), (832, 82380), (960, 71396), (1040, 65904), (1248, 54920), (1280, 53547), (1373, 49920), (1560, 43936), (1664, 41190), (1920, 35698), (2080, 32952), (2496, 27460), (2746, 24960), (3120, 21968), (3328, 20595), (3840, 17849), (4119, 16640), (4160, 16476), (4992, 13730), (5492, 12480), (6240, 10984), (6865, 9984), (8238, 8320)]