18216720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25301}}^1$

素因数の和:25320

約数の個数: 60

約数和(自身を含む): 61180236

約数和(自身を除く): 42963516

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, 25301, 50602, 75903, 101204, 126505, 151806, 202408, 227709, 253010, 303612, 379515, 404816, 455418, 506020, 607224, 759030, 910836, 1012040, 1138545, 1214448, 1518060, 1821672, 2024080, 2277090, 3036120, 3643344, 4554180, 6072240, 9108360, 18216720]

約数ペア:

[(1, 18216720), (2, 9108360), (3, 6072240), (4, 4554180), (5, 3643344), (6, 3036120), (8, 2277090), (9, 2024080), (10, 1821672), (12, 1518060), (15, 1214448), (16, 1138545), (18, 1012040), (20, 910836), (24, 759030), (30, 607224), (36, 506020), (40, 455418), (45, 404816), (48, 379515), (60, 303612), (72, 253010), (80, 227709), (90, 202408), (120, 151806), (144, 126505), (180, 101204), (240, 75903), (360, 50602), (720, 25301)]