27666320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 70977600

約数和(自身を除く): 43311280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 211, 220, 298, 422, 440, 596, 745, 844, 880, 1055, 1192, 1490, 1639, 1688, 2110, 2321, 2384, 2980, 3278, 3376, 4220, 4642, 5960, 6556, 8195, 8440, 9284, 11605, 11920, 13112, 16390, 16880, 18568, 23210, 26224, 31439, 32780, 37136, 46420, 62878, 65560, 92840, 125756, 131120, 157195, 185680, 251512, 314390, 345829, 503024, 628780, 691658, 1257560, 1383316, 1729145, 2515120, 2766632, 3458290, 5533264, 6916580, 13833160, 27666320]

約数ペア:

[(1, 27666320), (2, 13833160), (4, 6916580), (5, 5533264), (8, 3458290), (10, 2766632), (11, 2515120), (16, 1729145), (20, 1383316), (22, 1257560), (40, 691658), (44, 628780), (55, 503024), (80, 345829), (88, 314390), (110, 251512), (149, 185680), (176, 157195), (211, 131120), (220, 125756), (298, 92840), (422, 65560), (440, 62878), (596, 46420), (745, 37136), (844, 32780), (880, 31439), (1055, 26224), (1192, 23210), (1490, 18568), (1639, 16880), (1688, 16390), (2110, 13112), (2321, 11920), (2384, 11605), (2980, 9284), (3278, 8440), (3376, 8195), (4220, 6556), (4642, 5960)]