18665280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6481}}^1$

素因数の和:6504

約数の個数: 84

約数和(自身を含む): 64210692

約数和(自身を除く): 45545412

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, 6481, 12962, 19443, 25924, 32405, 38886, 51848, 58329, 64810, 77772, 97215, 103696, 116658, 129620, 155544, 194430, 207392, 233316, 259240, 291645, 311088, 388860, 414784, 466632, 518480, 583290, 622176, 777720, 933264, 1036960, 1166580, 1244352, 1555440, 1866528, 2073920, 2333160, 3110880, 3733056, 4666320, 6221760, 9332640, 18665280]

約数ペア:

[(1, 18665280), (2, 9332640), (3, 6221760), (4, 4666320), (5, 3733056), (6, 3110880), (8, 2333160), (9, 2073920), (10, 1866528), (12, 1555440), (15, 1244352), (16, 1166580), (18, 1036960), (20, 933264), (24, 777720), (30, 622176), (32, 583290), (36, 518480), (40, 466632), (45, 414784), (48, 388860), (60, 311088), (64, 291645), (72, 259240), (80, 233316), (90, 207392), (96, 194430), (120, 155544), (144, 129620), (160, 116658), (180, 103696), (192, 97215), (240, 77772), (288, 64810), (320, 58329), (360, 51848), (480, 38886), (576, 32405), (720, 25924), (960, 19443), (1440, 12962), (2880, 6481)]