128272500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{5701}}^1$

素因数の和:5731

約数の個数: 90

約数和(自身を含む): 405246842

約数和(自身を除く): 276974342

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3750, 4500, 5625, 5701, 7500, 11250, 11402, 17103, 22500, 22804, 28505, 34206, 51309, 57010, 68412, 85515, 102618, 114020, 142525, 171030, 205236, 256545, 285050, 342060, 427575, 513090, 570100, 712625, 855150, 1026180, 1282725, 1425250, 1710300, 2137875, 2565450, 2850500, 3563125, 4275750, 5130900, 6413625, 7126250, 8551500, 10689375, 12827250, 14252500, 21378750, 25654500, 32068125, 42757500, 64136250, 128272500]

約数ペア:

[(1, 128272500), (2, 64136250), (3, 42757500), (4, 32068125), (5, 25654500), (6, 21378750), (9, 14252500), (10, 12827250), (12, 10689375), (15, 8551500), (18, 7126250), (20, 6413625), (25, 5130900), (30, 4275750), (36, 3563125), (45, 2850500), (50, 2565450), (60, 2137875), (75, 1710300), (90, 1425250), (100, 1282725), (125, 1026180), (150, 855150), (180, 712625), (225, 570100), (250, 513090), (300, 427575), (375, 342060), (450, 285050), (500, 256545), (625, 205236), (750, 171030), (900, 142525), (1125, 114020), (1250, 102618), (1500, 85515), (1875, 68412), (2250, 57010), (2500, 51309), (3750, 34206), (4500, 28505), (5625, 22804), (5701, 22500), (7500, 17103), (11250, 11402)]