81345660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1$

素因数の和:2171

約数の個数: 96

約数和(自身を含む): 252806400

約数和(自身を除く): 171460740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 59, 60, 66, 110, 118, 132, 165, 177, 220, 236, 295, 330, 354, 590, 649, 660, 708, 885, 1180, 1298, 1770, 1947, 2089, 2596, 3245, 3540, 3894, 4178, 6267, 6490, 7788, 8356, 9735, 10445, 12534, 12980, 19470, 20890, 22979, 25068, 31335, 38940, 41780, 45958, 62670, 68937, 91916, 114895, 123251, 125340, 137874, 229790, 246502, 275748, 344685, 369753, 459580, 493004, 616255, 689370, 739506, 1232510, 1355761, 1378740, 1479012, 1848765, 2465020, 2711522, 3697530, 4067283, 5423044, 6778805, 7395060, 8134566, 13557610, 16269132, 20336415, 27115220, 40672830, 81345660]

約数ペア:

[(1, 81345660), (2, 40672830), (3, 27115220), (4, 20336415), (5, 16269132), (6, 13557610), (10, 8134566), (11, 7395060), (12, 6778805), (15, 5423044), (20, 4067283), (22, 3697530), (30, 2711522), (33, 2465020), (44, 1848765), (55, 1479012), (59, 1378740), (60, 1355761), (66, 1232510), (110, 739506), (118, 689370), (132, 616255), (165, 493004), (177, 459580), (220, 369753), (236, 344685), (295, 275748), (330, 246502), (354, 229790), (590, 137874), (649, 125340), (660, 123251), (708, 114895), (885, 91916), (1180, 68937), (1298, 62670), (1770, 45958), (1947, 41780), (2089, 38940), (2596, 31335), (3245, 25068), (3540, 22979), (3894, 20890), (4178, 19470), (6267, 12980), (6490, 12534), (7788, 10445), (8356, 9735)]