30785760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21379}}^1$

素因数の和:21400

約数の個数: 72

約数和(自身を含む): 105061320

約数和(自身を除く): 74275560

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, 21379, 42758, 64137, 85516, 106895, 128274, 171032, 192411, 213790, 256548, 320685, 342064, 384822, 427580, 513096, 641370, 684128, 769644, 855160, 962055, 1026192, 1282740, 1539288, 1710320, 1924110, 2052384, 2565480, 3078576, 3420640, 3848220, 5130960, 6157152, 7696440, 10261920, 15392880, 30785760]

約数ペア:

[(1, 30785760), (2, 15392880), (3, 10261920), (4, 7696440), (5, 6157152), (6, 5130960), (8, 3848220), (9, 3420640), (10, 3078576), (12, 2565480), (15, 2052384), (16, 1924110), (18, 1710320), (20, 1539288), (24, 1282740), (30, 1026192), (32, 962055), (36, 855160), (40, 769644), (45, 684128), (48, 641370), (60, 513096), (72, 427580), (80, 384822), (90, 342064), (96, 320685), (120, 256548), (144, 213790), (160, 192411), (180, 171032), (240, 128274), (288, 106895), (360, 85516), (480, 64137), (720, 42758), (1440, 21379)]