287428320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199603}}^1$

素因数の和:199624

約数の個数: 72

約数和(自身を含む): 980854056

約数和(自身を除く): 693425736

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, 199603, 399206, 598809, 798412, 998015, 1197618, 1596824, 1796427, 1996030, 2395236, 2994045, 3193648, 3592854, 3992060, 4790472, 5988090, 6387296, 7185708, 7984120, 8982135, 9580944, 11976180, 14371416, 15968240, 17964270, 19161888, 23952360, 28742832, 31936480, 35928540, 47904720, 57485664, 71857080, 95809440, 143714160, 287428320]

約数ペア:

[(1, 287428320), (2, 143714160), (3, 95809440), (4, 71857080), (5, 57485664), (6, 47904720), (8, 35928540), (9, 31936480), (10, 28742832), (12, 23952360), (15, 19161888), (16, 17964270), (18, 15968240), (20, 14371416), (24, 11976180), (30, 9580944), (32, 8982135), (36, 7984120), (40, 7185708), (45, 6387296), (48, 5988090), (60, 4790472), (72, 3992060), (80, 3592854), (90, 3193648), (96, 2994045), (120, 2395236), (144, 1996030), (160, 1796427), (180, 1596824), (240, 1197618), (288, 998015), (360, 798412), (480, 598809), (720, 399206), (1440, 199603)]