19803960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1667}}^1$

素因数の和:1698

約数の個数: 128

約数和(自身を含む): 72057600

約数和(自身を除く): 52253640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1667, 1980, 2376, 2970, 3334, 3960, 5001, 5940, 6668, 8335, 10002, 11880, 13336, 15003, 16670, 18337, 20004, 25005, 30006, 33340, 36674, 40008, 45009, 50010, 55011, 60012, 66680, 73348, 75015, 90018, 91685, 100020, 110022, 120024, 146696, 150030, 165033, 180036, 183370, 200040, 220044, 225045, 275055, 300060, 330066, 360072, 366740, 440088, 450090, 495099, 550110, 600120, 660132, 733480, 825165, 900180, 990198, 1100220, 1320264, 1650330, 1800360, 1980396, 2200440, 2475495, 3300660, 3960792, 4950990, 6601320, 9901980, 19803960]

約数ペア:

[(1, 19803960), (2, 9901980), (3, 6601320), (4, 4950990), (5, 3960792), (6, 3300660), (8, 2475495), (9, 2200440), (10, 1980396), (11, 1800360), (12, 1650330), (15, 1320264), (18, 1100220), (20, 990198), (22, 900180), (24, 825165), (27, 733480), (30, 660132), (33, 600120), (36, 550110), (40, 495099), (44, 450090), (45, 440088), (54, 366740), (55, 360072), (60, 330066), (66, 300060), (72, 275055), (88, 225045), (90, 220044), (99, 200040), (108, 183370), (110, 180036), (120, 165033), (132, 150030), (135, 146696), (165, 120024), (180, 110022), (198, 100020), (216, 91685), (220, 90018), (264, 75015), (270, 73348), (297, 66680), (330, 60012), (360, 55011), (396, 50010), (440, 45009), (495, 40008), (540, 36674), (594, 33340), (660, 30006), (792, 25005), (990, 20004), (1080, 18337), (1188, 16670), (1320, 15003), (1485, 13336), (1667, 11880), (1980, 10002), (2376, 8335), (2970, 6668), (3334, 5940), (3960, 5001)]