280726560

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{21661}}^1$

素因数の和:21688

約数の個数: 120

約数和(自身を含む): 990776556

約数和(自身を除く): 710049996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 21661, 43322, 64983, 86644, 108305, 129966, 173288, 194949, 216610, 259932, 324915, 346576, 389898, 433220, 519864, 584847, 649830, 693152, 779796, 866440, 974745, 1039728, 1169694, 1299660, 1559592, 1732880, 1754541, 1949490, 2079456, 2339388, 2599320, 2924235, 3119184, 3465760, 3509082, 3898980, 4678776, 5198640, 5848470, 6238368, 7018164, 7797960, 8772705, 9357552, 10397280, 11696940, 14036328, 15595920, 17545410, 18715104, 23393880, 28072656, 31191840, 35090820, 46787760, 56145312, 70181640, 93575520, 140363280, 280726560]

約数ペア:

[(1, 280726560), (2, 140363280), (3, 93575520), (4, 70181640), (5, 56145312), (6, 46787760), (8, 35090820), (9, 31191840), (10, 28072656), (12, 23393880), (15, 18715104), (16, 17545410), (18, 15595920), (20, 14036328), (24, 11696940), (27, 10397280), (30, 9357552), (32, 8772705), (36, 7797960), (40, 7018164), (45, 6238368), (48, 5848470), (54, 5198640), (60, 4678776), (72, 3898980), (80, 3509082), (81, 3465760), (90, 3119184), (96, 2924235), (108, 2599320), (120, 2339388), (135, 2079456), (144, 1949490), (160, 1754541), (162, 1732880), (180, 1559592), (216, 1299660), (240, 1169694), (270, 1039728), (288, 974745), (324, 866440), (360, 779796), (405, 693152), (432, 649830), (480, 584847), (540, 519864), (648, 433220), (720, 389898), (810, 346576), (864, 324915), (1080, 259932), (1296, 216610), (1440, 194949), (1620, 173288), (2160, 129966), (2592, 108305), (3240, 86644), (4320, 64983), (6480, 43322), (12960, 21661)]