205200720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2767}}^1$

素因数の和:2889

約数の個数: 120

約数和(自身を含む): 696074496

約数和(自身を除く): 490873776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 412, 515, 618, 720, 824, 927, 1030, 1236, 1545, 1648, 1854, 2060, 2472, 2767, 3090, 3708, 4120, 4635, 4944, 5534, 6180, 7416, 8240, 8301, 9270, 11068, 12360, 13835, 14832, 16602, 18540, 22136, 24720, 24903, 27670, 33204, 37080, 41505, 44272, 49806, 55340, 66408, 74160, 83010, 99612, 110680, 124515, 132816, 166020, 199224, 221360, 249030, 285001, 332040, 398448, 498060, 570002, 664080, 855003, 996120, 1140004, 1425005, 1710006, 1992240, 2280008, 2565009, 2850010, 3420012, 4275015, 4560016, 5130018, 5700020, 6840024, 8550030, 10260036, 11400040, 12825045, 13680048, 17100060, 20520072, 22800080, 25650090, 34200120, 41040144, 51300180, 68400240, 102600360, 205200720]

約数ペア:

[(1, 205200720), (2, 102600360), (3, 68400240), (4, 51300180), (5, 41040144), (6, 34200120), (8, 25650090), (9, 22800080), (10, 20520072), (12, 17100060), (15, 13680048), (16, 12825045), (18, 11400040), (20, 10260036), (24, 8550030), (30, 6840024), (36, 5700020), (40, 5130018), (45, 4560016), (48, 4275015), (60, 3420012), (72, 2850010), (80, 2565009), (90, 2280008), (103, 1992240), (120, 1710006), (144, 1425005), (180, 1140004), (206, 996120), (240, 855003), (309, 664080), (360, 570002), (412, 498060), (515, 398448), (618, 332040), (720, 285001), (824, 249030), (927, 221360), (1030, 199224), (1236, 166020), (1545, 132816), (1648, 124515), (1854, 110680), (2060, 99612), (2472, 83010), (2767, 74160), (3090, 66408), (3708, 55340), (4120, 49806), (4635, 44272), (4944, 41505), (5534, 37080), (6180, 33204), (7416, 27670), (8240, 24903), (8301, 24720), (9270, 22136), (11068, 18540), (12360, 16602), (13835, 14832)]