18439920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{8537}}^1$

素因数の和:8559

約数の個数: 80

約数和(自身を含む): 63522720

約数和(自身を除く): 45082800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 8537, 17074, 25611, 34148, 42685, 51222, 68296, 76833, 85370, 102444, 128055, 136592, 153666, 170740, 204888, 230499, 256110, 307332, 341480, 384165, 409776, 460998, 512220, 614664, 682960, 768330, 921996, 1024440, 1152495, 1229328, 1536660, 1843992, 2048880, 2304990, 3073320, 3687984, 4609980, 6146640, 9219960, 18439920]

約数ペア:

[(1, 18439920), (2, 9219960), (3, 6146640), (4, 4609980), (5, 3687984), (6, 3073320), (8, 2304990), (9, 2048880), (10, 1843992), (12, 1536660), (15, 1229328), (16, 1152495), (18, 1024440), (20, 921996), (24, 768330), (27, 682960), (30, 614664), (36, 512220), (40, 460998), (45, 409776), (48, 384165), (54, 341480), (60, 307332), (72, 256110), (80, 230499), (90, 204888), (108, 170740), (120, 153666), (135, 136592), (144, 128055), (180, 102444), (216, 85370), (240, 76833), (270, 68296), (360, 51222), (432, 42685), (540, 34148), (720, 25611), (1080, 17074), (2160, 8537)]