285138720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{198013}}^1$

素因数の和:198034

約数の個数: 72

約数和(自身を含む): 973040796

約数和(自身を除く): 687902076

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, 198013, 396026, 594039, 792052, 990065, 1188078, 1584104, 1782117, 1980130, 2376156, 2970195, 3168208, 3564234, 3960260, 4752312, 5940390, 6336416, 7128468, 7920520, 8910585, 9504624, 11880780, 14256936, 15841040, 17821170, 19009248, 23761560, 28513872, 31682080, 35642340, 47523120, 57027744, 71284680, 95046240, 142569360, 285138720]

約数ペア:

[(1, 285138720), (2, 142569360), (3, 95046240), (4, 71284680), (5, 57027744), (6, 47523120), (8, 35642340), (9, 31682080), (10, 28513872), (12, 23761560), (15, 19009248), (16, 17821170), (18, 15841040), (20, 14256936), (24, 11880780), (30, 9504624), (32, 8910585), (36, 7920520), (40, 7128468), (45, 6336416), (48, 5940390), (60, 4752312), (72, 3960260), (80, 3564234), (90, 3168208), (96, 2970195), (120, 2376156), (144, 1980130), (160, 1782117), (180, 1584104), (240, 1188078), (288, 990065), (360, 792052), (480, 594039), (720, 396026), (1440, 198013)]