216696720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{902903}}^1$

素因数の和:902919

約数の個数: 40

約数和(自身を含む): 671760576

約数和(自身を除く): 455063856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 902903, 1805806, 2708709, 3611612, 4514515, 5417418, 7223224, 9029030, 10834836, 13543545, 14446448, 18058060, 21669672, 27087090, 36116120, 43339344, 54174180, 72232240, 108348360, 216696720]

約数ペア:

[(1, 216696720), (2, 108348360), (3, 72232240), (4, 54174180), (5, 43339344), (6, 36116120), (8, 27087090), (10, 21669672), (12, 18058060), (15, 14446448), (16, 13543545), (20, 10834836), (24, 9029030), (30, 7223224), (40, 5417418), (48, 4514515), (60, 3611612), (80, 2708709), (120, 1805806), (240, 902903)]