81442740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 241920000

約数和(自身を除く): 160477260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 199, 228, 285, 359, 380, 398, 570, 597, 718, 796, 995, 1077, 1140, 1194, 1436, 1795, 1990, 2154, 2388, 2985, 3590, 3781, 3980, 4308, 5385, 5970, 6821, 7180, 7562, 10770, 11343, 11940, 13642, 15124, 18905, 20463, 21540, 22686, 27284, 34105, 37810, 40926, 45372, 56715, 68210, 71441, 75620, 81852, 102315, 113430, 136420, 142882, 204630, 214323, 226860, 285764, 357205, 409260, 428646, 714410, 857292, 1071615, 1357379, 1428820, 2143230, 2714758, 4072137, 4286460, 5429516, 6786895, 8144274, 13573790, 16288548, 20360685, 27147580, 40721370, 81442740]

約数ペア:

[(1, 81442740), (2, 40721370), (3, 27147580), (4, 20360685), (5, 16288548), (6, 13573790), (10, 8144274), (12, 6786895), (15, 5429516), (19, 4286460), (20, 4072137), (30, 2714758), (38, 2143230), (57, 1428820), (60, 1357379), (76, 1071615), (95, 857292), (114, 714410), (190, 428646), (199, 409260), (228, 357205), (285, 285764), (359, 226860), (380, 214323), (398, 204630), (570, 142882), (597, 136420), (718, 113430), (796, 102315), (995, 81852), (1077, 75620), (1140, 71441), (1194, 68210), (1436, 56715), (1795, 45372), (1990, 40926), (2154, 37810), (2388, 34105), (2985, 27284), (3590, 22686), (3781, 21540), (3980, 20463), (4308, 18905), (5385, 15124), (5970, 13642), (6821, 11940), (7180, 11343), (7562, 10770)]