72320780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 183859200

約数和(自身を除く): 111538420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 58, 70, 94, 116, 140, 145, 188, 203, 235, 290, 329, 379, 406, 470, 580, 658, 758, 812, 940, 1015, 1316, 1363, 1516, 1645, 1895, 2030, 2653, 2726, 3290, 3790, 4060, 5306, 5452, 6580, 6815, 7580, 9541, 10612, 10991, 13265, 13630, 17813, 19082, 21982, 26530, 27260, 35626, 38164, 43964, 47705, 53060, 54955, 71252, 76937, 89065, 95410, 109910, 124691, 153874, 178130, 190820, 219820, 249382, 307748, 356260, 384685, 498764, 516577, 623455, 769370, 1033154, 1246910, 1538740, 2066308, 2493820, 2582885, 3616039, 5165770, 7232078, 10331540, 14464156, 18080195, 36160390, 72320780]

約数ペア:

[(1, 72320780), (2, 36160390), (4, 18080195), (5, 14464156), (7, 10331540), (10, 7232078), (14, 5165770), (20, 3616039), (28, 2582885), (29, 2493820), (35, 2066308), (47, 1538740), (58, 1246910), (70, 1033154), (94, 769370), (116, 623455), (140, 516577), (145, 498764), (188, 384685), (203, 356260), (235, 307748), (290, 249382), (329, 219820), (379, 190820), (406, 178130), (470, 153874), (580, 124691), (658, 109910), (758, 95410), (812, 89065), (940, 76937), (1015, 71252), (1316, 54955), (1363, 53060), (1516, 47705), (1645, 43964), (1895, 38164), (2030, 35626), (2653, 27260), (2726, 26530), (3290, 21982), (3790, 19082), (4060, 17813), (5306, 13630), (5452, 13265), (6580, 10991), (6815, 10612), (7580, 9541)]