72405000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{1609}}^1$

素因数の和:1641

約数の個数: 120

約数和(自身を含む): 245194950

約数和(自身を除く): 172789950

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1609, 1800, 1875, 2250, 2500, 3000, 3218, 3750, 4500, 4827, 5000, 5625, 6436, 7500, 8045, 9000, 9654, 11250, 12872, 14481, 15000, 16090, 19308, 22500, 24135, 28962, 32180, 38616, 40225, 45000, 48270, 57924, 64360, 72405, 80450, 96540, 115848, 120675, 144810, 160900, 193080, 201125, 241350, 289620, 321800, 362025, 402250, 482700, 579240, 603375, 724050, 804500, 965400, 1005625, 1206750, 1448100, 1609000, 1810125, 2011250, 2413500, 2896200, 3016875, 3620250, 4022500, 4827000, 6033750, 7240500, 8045000, 9050625, 12067500, 14481000, 18101250, 24135000, 36202500, 72405000]

約数ペア:

[(1, 72405000), (2, 36202500), (3, 24135000), (4, 18101250), (5, 14481000), (6, 12067500), (8, 9050625), (9, 8045000), (10, 7240500), (12, 6033750), (15, 4827000), (18, 4022500), (20, 3620250), (24, 3016875), (25, 2896200), (30, 2413500), (36, 2011250), (40, 1810125), (45, 1609000), (50, 1448100), (60, 1206750), (72, 1005625), (75, 965400), (90, 804500), (100, 724050), (120, 603375), (125, 579240), (150, 482700), (180, 402250), (200, 362025), (225, 321800), (250, 289620), (300, 241350), (360, 201125), (375, 193080), (450, 160900), (500, 144810), (600, 120675), (625, 115848), (750, 96540), (900, 80450), (1000, 72405), (1125, 64360), (1250, 57924), (1500, 48270), (1609, 45000), (1800, 40225), (1875, 38616), (2250, 32180), (2500, 28962), (3000, 24135), (3218, 22500), (3750, 19308), (4500, 16090), (4827, 15000), (5000, 14481), (5625, 12872), (6436, 11250), (7500, 9654), (8045, 9000)]