18684720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25951}}^1$

素因数の和:25970

約数の個数: 60

約数和(自身を含む): 62751936

約数和(自身を除く): 44067216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25951, 51902, 77853, 103804, 129755, 155706, 207608, 233559, 259510, 311412, 389265, 415216, 467118, 519020, 622824, 778530, 934236, 1038040, 1167795, 1245648, 1557060, 1868472, 2076080, 2335590, 3114120, 3736944, 4671180, 6228240, 9342360, 18684720]

約数ペア:

[(1, 18684720), (2, 9342360), (3, 6228240), (4, 4671180), (5, 3736944), (6, 3114120), (8, 2335590), (9, 2076080), (10, 1868472), (12, 1557060), (15, 1245648), (16, 1167795), (18, 1038040), (20, 934236), (24, 778530), (30, 622824), (36, 519020), (40, 467118), (45, 415216), (48, 389265), (60, 311412), (72, 259510), (80, 233559), (90, 207608), (120, 155706), (144, 129755), (180, 103804), (240, 77853), (360, 51902), (720, 25951)]