18072780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 37810740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 139, 165, 197, 220, 278, 330, 394, 417, 556, 591, 660, 695, 788, 834, 985, 1182, 1390, 1529, 1668, 1970, 2085, 2167, 2364, 2780, 2955, 3058, 3940, 4170, 4334, 4587, 5910, 6116, 6501, 7645, 8340, 8668, 9174, 10835, 11820, 13002, 15290, 18348, 21670, 22935, 26004, 27383, 30580, 32505, 43340, 45870, 54766, 65010, 82149, 91740, 109532, 130020, 136915, 164298, 273830, 301213, 328596, 410745, 547660, 602426, 821490, 903639, 1204852, 1506065, 1642980, 1807278, 3012130, 3614556, 4518195, 6024260, 9036390, 18072780]

約数ペア:

[(1, 18072780), (2, 9036390), (3, 6024260), (4, 4518195), (5, 3614556), (6, 3012130), (10, 1807278), (11, 1642980), (12, 1506065), (15, 1204852), (20, 903639), (22, 821490), (30, 602426), (33, 547660), (44, 410745), (55, 328596), (60, 301213), (66, 273830), (110, 164298), (132, 136915), (139, 130020), (165, 109532), (197, 91740), (220, 82149), (278, 65010), (330, 54766), (394, 45870), (417, 43340), (556, 32505), (591, 30580), (660, 27383), (695, 26004), (788, 22935), (834, 21670), (985, 18348), (1182, 15290), (1390, 13002), (1529, 11820), (1668, 10835), (1970, 9174), (2085, 8668), (2167, 8340), (2364, 7645), (2780, 6501), (2955, 6116), (3058, 5910), (3940, 4587), (4170, 4334)]