18639360

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{809}}^1$

素因数の和:838

約数の個数: 120

約数和(自身を含む): 64633140

約数和(自身を除く): 45993780

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, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 809, 960, 1152, 1280, 1440, 1536, 1618, 1920, 2304, 2427, 2560, 2880, 3236, 3840, 4045, 4608, 4854, 5760, 6472, 7281, 7680, 8090, 9708, 11520, 12135, 12944, 14562, 16180, 19416, 23040, 24270, 25888, 29124, 32360, 36405, 38832, 48540, 51776, 58248, 64720, 72810, 77664, 97080, 103552, 116496, 129440, 145620, 155328, 194160, 207104, 232992, 258880, 291240, 310656, 388320, 414208, 465984, 517760, 582480, 621312, 776640, 931968, 1035520, 1164960, 1242624, 1553280, 1863936, 2071040, 2329920, 3106560, 3727872, 4659840, 6213120, 9319680, 18639360]

約数ペア:

[(1, 18639360), (2, 9319680), (3, 6213120), (4, 4659840), (5, 3727872), (6, 3106560), (8, 2329920), (9, 2071040), (10, 1863936), (12, 1553280), (15, 1242624), (16, 1164960), (18, 1035520), (20, 931968), (24, 776640), (30, 621312), (32, 582480), (36, 517760), (40, 465984), (45, 414208), (48, 388320), (60, 310656), (64, 291240), (72, 258880), (80, 232992), (90, 207104), (96, 194160), (120, 155328), (128, 145620), (144, 129440), (160, 116496), (180, 103552), (192, 97080), (240, 77664), (256, 72810), (288, 64720), (320, 58248), (360, 51776), (384, 48540), (480, 38832), (512, 36405), (576, 32360), (640, 29124), (720, 25888), (768, 24270), (809, 23040), (960, 19416), (1152, 16180), (1280, 14562), (1440, 12944), (1536, 12135), (1618, 11520), (1920, 9708), (2304, 8090), (2427, 7680), (2560, 7281), (2880, 6472), (3236, 5760), (3840, 4854), (4045, 4608)]