161125920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{111893}}^1$

素因数の和:111914

約数の個数: 72

約数和(自身を含む): 549847116

約数和(自身を除く): 388721196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 111893, 223786, 335679, 447572, 559465, 671358, 895144, 1007037, 1118930, 1342716, 1678395, 1790288, 2014074, 2237860, 2685432, 3356790, 3580576, 4028148, 4475720, 5035185, 5370864, 6713580, 8056296, 8951440, 10070370, 10741728, 13427160, 16112592, 17902880, 20140740, 26854320, 32225184, 40281480, 53708640, 80562960, 161125920]

約数ペア:

[(1, 161125920), (2, 80562960), (3, 53708640), (4, 40281480), (5, 32225184), (6, 26854320), (8, 20140740), (9, 17902880), (10, 16112592), (12, 13427160), (15, 10741728), (16, 10070370), (18, 8951440), (20, 8056296), (24, 6713580), (30, 5370864), (32, 5035185), (36, 4475720), (40, 4028148), (45, 3580576), (48, 3356790), (60, 2685432), (72, 2237860), (80, 2014074), (90, 1790288), (96, 1678395), (120, 1342716), (144, 1118930), (160, 1007037), (180, 895144), (240, 671358), (288, 559465), (360, 447572), (480, 335679), (720, 223786), (1440, 111893)]