219948840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{610969}}^1$

素因数の和:610986

約数の個数: 48

約数和(自身を含む): 714834900

約数和(自身を除く): 494886060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 610969, 1221938, 1832907, 2443876, 3054845, 3665814, 4887752, 5498721, 6109690, 7331628, 9164535, 10997442, 12219380, 14663256, 18329070, 21994884, 24438760, 27493605, 36658140, 43989768, 54987210, 73316280, 109974420, 219948840]

約数ペア:

[(1, 219948840), (2, 109974420), (3, 73316280), (4, 54987210), (5, 43989768), (6, 36658140), (8, 27493605), (9, 24438760), (10, 21994884), (12, 18329070), (15, 14663256), (18, 12219380), (20, 10997442), (24, 9164535), (30, 7331628), (36, 6109690), (40, 5498721), (45, 4887752), (60, 3665814), (72, 3054845), (90, 2443876), (120, 1832907), (180, 1221938), (360, 610969)]