81119520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56333}}^1$

素因数の和:56354

約数の個数: 72

約数和(自身を含む): 276825276

約数和(自身を除く): 195705756

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, 56333, 112666, 168999, 225332, 281665, 337998, 450664, 506997, 563330, 675996, 844995, 901328, 1013994, 1126660, 1351992, 1689990, 1802656, 2027988, 2253320, 2534985, 2703984, 3379980, 4055976, 4506640, 5069970, 5407968, 6759960, 8111952, 9013280, 10139940, 13519920, 16223904, 20279880, 27039840, 40559760, 81119520]

約数ペア:

[(1, 81119520), (2, 40559760), (3, 27039840), (4, 20279880), (5, 16223904), (6, 13519920), (8, 10139940), (9, 9013280), (10, 8111952), (12, 6759960), (15, 5407968), (16, 5069970), (18, 4506640), (20, 4055976), (24, 3379980), (30, 2703984), (32, 2534985), (36, 2253320), (40, 2027988), (45, 1802656), (48, 1689990), (60, 1351992), (72, 1126660), (80, 1013994), (90, 901328), (96, 844995), (120, 675996), (144, 563330), (160, 506997), (180, 450664), (240, 337998), (288, 281665), (360, 225332), (480, 168999), (720, 112666), (1440, 56333)]