291298920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{220681}}^1$

素因数の和:220706

約数の個数: 64

約数和(自身を含む): 953346240

約数和(自身を除く): 662047320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 220681, 441362, 662043, 882724, 1103405, 1324086, 1765448, 2206810, 2427491, 2648172, 3310215, 4413620, 4854982, 5296344, 6620430, 7282473, 8827240, 9709964, 12137455, 13240860, 14564946, 19419928, 24274910, 26481720, 29129892, 36412365, 48549820, 58259784, 72824730, 97099640, 145649460, 291298920]

約数ペア:

[(1, 291298920), (2, 145649460), (3, 97099640), (4, 72824730), (5, 58259784), (6, 48549820), (8, 36412365), (10, 29129892), (11, 26481720), (12, 24274910), (15, 19419928), (20, 14564946), (22, 13240860), (24, 12137455), (30, 9709964), (33, 8827240), (40, 7282473), (44, 6620430), (55, 5296344), (60, 4854982), (66, 4413620), (88, 3310215), (110, 2648172), (120, 2427491), (132, 2206810), (165, 1765448), (220, 1324086), (264, 1103405), (330, 882724), (440, 662043), (660, 441362), (1320, 220681)]