81499680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56597}}^1$

素因数の和:56618

約数の個数: 72

約数和(自身を含む): 278122572

約数和(自身を除く): 196622892

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, 56597, 113194, 169791, 226388, 282985, 339582, 452776, 509373, 565970, 679164, 848955, 905552, 1018746, 1131940, 1358328, 1697910, 1811104, 2037492, 2263880, 2546865, 2716656, 3395820, 4074984, 4527760, 5093730, 5433312, 6791640, 8149968, 9055520, 10187460, 13583280, 16299936, 20374920, 27166560, 40749840, 81499680]

約数ペア:

[(1, 81499680), (2, 40749840), (3, 27166560), (4, 20374920), (5, 16299936), (6, 13583280), (8, 10187460), (9, 9055520), (10, 8149968), (12, 6791640), (15, 5433312), (16, 5093730), (18, 4527760), (20, 4074984), (24, 3395820), (30, 2716656), (32, 2546865), (36, 2263880), (40, 2037492), (45, 1811104), (48, 1697910), (60, 1358328), (72, 1131940), (80, 1018746), (90, 905552), (96, 848955), (120, 679164), (144, 565970), (160, 509373), (180, 452776), (240, 339582), (288, 282985), (360, 226388), (480, 169791), (720, 113194), (1440, 56597)]