61540000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 120

約数和(自身を含む): 161189028

約数和(自身を除く): 99649028

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 181, 200, 250, 272, 340, 362, 400, 425, 500, 544, 625, 680, 724, 800, 850, 905, 1000, 1250, 1360, 1448, 1700, 1810, 2000, 2125, 2500, 2720, 2896, 3077, 3400, 3620, 4000, 4250, 4525, 5000, 5792, 6154, 6800, 7240, 8500, 9050, 10000, 10625, 12308, 13600, 14480, 15385, 17000, 18100, 20000, 21250, 22625, 24616, 28960, 30770, 34000, 36200, 42500, 45250, 49232, 61540, 68000, 72400, 76925, 85000, 90500, 98464, 113125, 123080, 144800, 153850, 170000, 181000, 226250, 246160, 307700, 340000, 362000, 384625, 452500, 492320, 615400, 724000, 769250, 905000, 1230800, 1538500, 1810000, 1923125, 2461600, 3077000, 3620000, 3846250, 6154000, 7692500, 12308000, 15385000, 30770000, 61540000]

約数ペア:

[(1, 61540000), (2, 30770000), (4, 15385000), (5, 12308000), (8, 7692500), (10, 6154000), (16, 3846250), (17, 3620000), (20, 3077000), (25, 2461600), (32, 1923125), (34, 1810000), (40, 1538500), (50, 1230800), (68, 905000), (80, 769250), (85, 724000), (100, 615400), (125, 492320), (136, 452500), (160, 384625), (170, 362000), (181, 340000), (200, 307700), (250, 246160), (272, 226250), (340, 181000), (362, 170000), (400, 153850), (425, 144800), (500, 123080), (544, 113125), (625, 98464), (680, 90500), (724, 85000), (800, 76925), (850, 72400), (905, 68000), (1000, 61540), (1250, 49232), (1360, 45250), (1448, 42500), (1700, 36200), (1810, 34000), (2000, 30770), (2125, 28960), (2500, 24616), (2720, 22625), (2896, 21250), (3077, 20000), (3400, 18100), (3620, 17000), (4000, 15385), (4250, 14480), (4525, 13600), (5000, 12308), (5792, 10625), (6154, 10000), (6800, 9050), (7240, 8500)]