248995440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1999}}^1$

素因数の和:2191

約数の個数: 120

約数和(自身を含む): 841464000

約数和(自身を除く): 592468560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 173, 180, 240, 346, 360, 519, 692, 720, 865, 1038, 1384, 1557, 1730, 1999, 2076, 2595, 2768, 3114, 3460, 3998, 4152, 5190, 5997, 6228, 6920, 7785, 7996, 8304, 9995, 10380, 11994, 12456, 13840, 15570, 15992, 17991, 19990, 20760, 23988, 24912, 29985, 31140, 31984, 35982, 39980, 41520, 47976, 59970, 62280, 71964, 79960, 89955, 95952, 119940, 124560, 143928, 159920, 179910, 239880, 287856, 345827, 359820, 479760, 691654, 719640, 1037481, 1383308, 1439280, 1729135, 2074962, 2766616, 3112443, 3458270, 4149924, 5187405, 5533232, 6224886, 6916540, 8299848, 10374810, 12449772, 13833080, 15562215, 16599696, 20749620, 24899544, 27666160, 31124430, 41499240, 49799088, 62248860, 82998480, 124497720, 248995440]

約数ペア:

[(1, 248995440), (2, 124497720), (3, 82998480), (4, 62248860), (5, 49799088), (6, 41499240), (8, 31124430), (9, 27666160), (10, 24899544), (12, 20749620), (15, 16599696), (16, 15562215), (18, 13833080), (20, 12449772), (24, 10374810), (30, 8299848), (36, 6916540), (40, 6224886), (45, 5533232), (48, 5187405), (60, 4149924), (72, 3458270), (80, 3112443), (90, 2766616), (120, 2074962), (144, 1729135), (173, 1439280), (180, 1383308), (240, 1037481), (346, 719640), (360, 691654), (519, 479760), (692, 359820), (720, 345827), (865, 287856), (1038, 239880), (1384, 179910), (1557, 159920), (1730, 143928), (1999, 124560), (2076, 119940), (2595, 95952), (2768, 89955), (3114, 79960), (3460, 71964), (3998, 62280), (4152, 59970), (5190, 47976), (5997, 41520), (6228, 39980), (6920, 35982), (7785, 31984), (7996, 31140), (8304, 29985), (9995, 24912), (10380, 23988), (11994, 20760), (12456, 19990), (13840, 17991), (15570, 15992)]