18072880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 48925440

約数和(自身を除く): 30852560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 547, 560, 590, 826, 944, 1094, 1180, 1652, 2065, 2188, 2360, 2735, 3304, 3829, 4130, 4376, 4720, 5470, 6608, 7658, 8260, 8752, 10940, 15316, 16520, 19145, 21880, 30632, 32273, 33040, 38290, 43760, 61264, 64546, 76580, 129092, 153160, 161365, 225911, 258184, 306320, 322730, 451822, 516368, 645460, 903644, 1129555, 1290920, 1807288, 2259110, 2581840, 3614576, 4518220, 9036440, 18072880]

約数ペア:

[(1, 18072880), (2, 9036440), (4, 4518220), (5, 3614576), (7, 2581840), (8, 2259110), (10, 1807288), (14, 1290920), (16, 1129555), (20, 903644), (28, 645460), (35, 516368), (40, 451822), (56, 322730), (59, 306320), (70, 258184), (80, 225911), (112, 161365), (118, 153160), (140, 129092), (236, 76580), (280, 64546), (295, 61264), (413, 43760), (472, 38290), (547, 33040), (560, 32273), (590, 30632), (826, 21880), (944, 19145), (1094, 16520), (1180, 15316), (1652, 10940), (2065, 8752), (2188, 8260), (2360, 7658), (2735, 6608), (3304, 5470), (3829, 4720), (4130, 4376)]