247813920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{172093}}^1$

素因数の和:172114

約数の個数: 72

約数和(自身を含む): 845669916

約数和(自身を除く): 597855996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 172093, 344186, 516279, 688372, 860465, 1032558, 1376744, 1548837, 1720930, 2065116, 2581395, 2753488, 3097674, 3441860, 4130232, 5162790, 5506976, 6195348, 6883720, 7744185, 8260464, 10325580, 12390696, 13767440, 15488370, 16520928, 20651160, 24781392, 27534880, 30976740, 41302320, 49562784, 61953480, 82604640, 123906960, 247813920]

約数ペア:

[(1, 247813920), (2, 123906960), (3, 82604640), (4, 61953480), (5, 49562784), (6, 41302320), (8, 30976740), (9, 27534880), (10, 24781392), (12, 20651160), (15, 16520928), (16, 15488370), (18, 13767440), (20, 12390696), (24, 10325580), (30, 8260464), (32, 7744185), (36, 6883720), (40, 6195348), (45, 5506976), (48, 5162790), (60, 4130232), (72, 3441860), (80, 3097674), (90, 2753488), (96, 2581395), (120, 2065116), (144, 1720930), (160, 1548837), (180, 1376744), (240, 1032558), (288, 860465), (360, 688372), (480, 516279), (720, 344186), (1440, 172093)]