397154640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53381}}^1$

素因数の和:53428

約数の個数: 80

約数和(自身を含む): 1270918656

約数和(自身を除く): 873764016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 53381, 106762, 160143, 213524, 266905, 320286, 427048, 533810, 640572, 800715, 854096, 1067620, 1281144, 1601430, 1654811, 2135240, 2562288, 3202860, 3309622, 4270480, 4964433, 6405720, 6619244, 8274055, 9928866, 12811440, 13238488, 16548110, 19857732, 24822165, 26476976, 33096220, 39715464, 49644330, 66192440, 79430928, 99288660, 132384880, 198577320, 397154640]

約数ペア:

[(1, 397154640), (2, 198577320), (3, 132384880), (4, 99288660), (5, 79430928), (6, 66192440), (8, 49644330), (10, 39715464), (12, 33096220), (15, 26476976), (16, 24822165), (20, 19857732), (24, 16548110), (30, 13238488), (31, 12811440), (40, 9928866), (48, 8274055), (60, 6619244), (62, 6405720), (80, 4964433), (93, 4270480), (120, 3309622), (124, 3202860), (155, 2562288), (186, 2135240), (240, 1654811), (248, 1601430), (310, 1281144), (372, 1067620), (465, 854096), (496, 800715), (620, 640572), (744, 533810), (930, 427048), (1240, 320286), (1488, 266905), (1860, 213524), (2480, 160143), (3720, 106762), (7440, 53381)]