278854560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{193649}}^1$

素因数の和:193670

約数の個数: 72

約数和(自身を含む): 951596100

約数和(自身を除く): 672741540

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, 193649, 387298, 580947, 774596, 968245, 1161894, 1549192, 1742841, 1936490, 2323788, 2904735, 3098384, 3485682, 3872980, 4647576, 5809470, 6196768, 6971364, 7745960, 8714205, 9295152, 11618940, 13942728, 15491920, 17428410, 18590304, 23237880, 27885456, 30983840, 34856820, 46475760, 55770912, 69713640, 92951520, 139427280, 278854560]

約数ペア:

[(1, 278854560), (2, 139427280), (3, 92951520), (4, 69713640), (5, 55770912), (6, 46475760), (8, 34856820), (9, 30983840), (10, 27885456), (12, 23237880), (15, 18590304), (16, 17428410), (18, 15491920), (20, 13942728), (24, 11618940), (30, 9295152), (32, 8714205), (36, 7745960), (40, 6971364), (45, 6196768), (48, 5809470), (60, 4647576), (72, 3872980), (80, 3485682), (90, 3098384), (96, 2904735), (120, 2323788), (144, 1936490), (160, 1742841), (180, 1549192), (240, 1161894), (288, 968245), (360, 774596), (480, 580947), (720, 387298), (1440, 193649)]