216555780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2591}}^1$

素因数の和:2809

約数の個数: 96

約数和(自身を含む): 696729600

約数和(自身を除く): 480173820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1990, 2388, 2591, 2786, 2985, 3980, 4179, 5182, 5572, 5970, 6965, 7773, 8358, 10364, 11940, 12955, 13930, 15546, 16716, 18137, 20895, 25910, 27860, 31092, 36274, 38865, 41790, 51820, 54411, 72548, 77730, 83580, 90685, 108822, 155460, 181370, 217644, 272055, 362740, 515609, 544110, 1031218, 1088220, 1546827, 2062436, 2578045, 3093654, 3609263, 5156090, 6187308, 7218526, 7734135, 10312180, 10827789, 14437052, 15468270, 18046315, 21655578, 30936540, 36092630, 43311156, 54138945, 72185260, 108277890, 216555780]

約数ペア:

[(1, 216555780), (2, 108277890), (3, 72185260), (4, 54138945), (5, 43311156), (6, 36092630), (7, 30936540), (10, 21655578), (12, 18046315), (14, 15468270), (15, 14437052), (20, 10827789), (21, 10312180), (28, 7734135), (30, 7218526), (35, 6187308), (42, 5156090), (60, 3609263), (70, 3093654), (84, 2578045), (105, 2062436), (140, 1546827), (199, 1088220), (210, 1031218), (398, 544110), (420, 515609), (597, 362740), (796, 272055), (995, 217644), (1194, 181370), (1393, 155460), (1990, 108822), (2388, 90685), (2591, 83580), (2786, 77730), (2985, 72548), (3980, 54411), (4179, 51820), (5182, 41790), (5572, 38865), (5970, 36274), (6965, 31092), (7773, 27860), (8358, 25910), (10364, 20895), (11940, 18137), (12955, 16716), (13930, 15546)]