81594720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56663}}^1$

素因数の和:56684

約数の個数: 72

約数和(自身を含む): 278446896

約数和(自身を除く): 196852176

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, 56663, 113326, 169989, 226652, 283315, 339978, 453304, 509967, 566630, 679956, 849945, 906608, 1019934, 1133260, 1359912, 1699890, 1813216, 2039868, 2266520, 2549835, 2719824, 3399780, 4079736, 4533040, 5099670, 5439648, 6799560, 8159472, 9066080, 10199340, 13599120, 16318944, 20398680, 27198240, 40797360, 81594720]

約数ペア:

[(1, 81594720), (2, 40797360), (3, 27198240), (4, 20398680), (5, 16318944), (6, 13599120), (8, 10199340), (9, 9066080), (10, 8159472), (12, 6799560), (15, 5439648), (16, 5099670), (18, 4533040), (20, 4079736), (24, 3399780), (30, 2719824), (32, 2549835), (36, 2266520), (40, 2039868), (45, 1813216), (48, 1699890), (60, 1359912), (72, 1133260), (80, 1019934), (90, 906608), (96, 849945), (120, 679956), (144, 566630), (160, 509967), (180, 453304), (240, 339978), (288, 283315), (360, 226652), (480, 169989), (720, 113326), (1440, 56663)]