64903860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51511}}^1$

素因数の和:51533

約数の個数: 72

約数和(自身を含む): 225004416

約数和(自身を除く): 160100556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51511, 103022, 154533, 206044, 257555, 309066, 360577, 463599, 515110, 618132, 721154, 772665, 927198, 1030220, 1081731, 1442308, 1545330, 1802885, 1854396, 2163462, 2317995, 3090660, 3245193, 3605770, 4326924, 4635990, 5408655, 6490386, 7211540, 9271980, 10817310, 12980772, 16225965, 21634620, 32451930, 64903860]

約数ペア:

[(1, 64903860), (2, 32451930), (3, 21634620), (4, 16225965), (5, 12980772), (6, 10817310), (7, 9271980), (9, 7211540), (10, 6490386), (12, 5408655), (14, 4635990), (15, 4326924), (18, 3605770), (20, 3245193), (21, 3090660), (28, 2317995), (30, 2163462), (35, 1854396), (36, 1802885), (42, 1545330), (45, 1442308), (60, 1081731), (63, 1030220), (70, 927198), (84, 772665), (90, 721154), (105, 618132), (126, 515110), (140, 463599), (180, 360577), (210, 309066), (252, 257555), (315, 206044), (420, 154533), (630, 103022), (1260, 51511)]