18918720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6569}}^1$

素因数の和:6592

約数の個数: 84

約数和(自身を含む): 65082420

約数和(自身を除く): 46163700

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6569, 13138, 19707, 26276, 32845, 39414, 52552, 59121, 65690, 78828, 98535, 105104, 118242, 131380, 157656, 197070, 210208, 236484, 262760, 295605, 315312, 394140, 420416, 472968, 525520, 591210, 630624, 788280, 945936, 1051040, 1182420, 1261248, 1576560, 1891872, 2102080, 2364840, 3153120, 3783744, 4729680, 6306240, 9459360, 18918720]

約数ペア:

[(1, 18918720), (2, 9459360), (3, 6306240), (4, 4729680), (5, 3783744), (6, 3153120), (8, 2364840), (9, 2102080), (10, 1891872), (12, 1576560), (15, 1261248), (16, 1182420), (18, 1051040), (20, 945936), (24, 788280), (30, 630624), (32, 591210), (36, 525520), (40, 472968), (45, 420416), (48, 394140), (60, 315312), (64, 295605), (72, 262760), (80, 236484), (90, 210208), (96, 197070), (120, 157656), (144, 131380), (160, 118242), (180, 105104), (192, 98535), (240, 78828), (288, 65690), (320, 59121), (360, 52552), (480, 39414), (576, 32845), (720, 26276), (960, 19707), (1440, 13138), (2880, 6569)]