128804720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146369}}^1$

素因数の和:146393

約数の個数: 40

約数和(自身を含む): 326697840

約数和(自身を除く): 197893120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 146369, 292738, 585476, 731845, 1170952, 1463690, 1610059, 2341904, 2927380, 3220118, 5854760, 6440236, 8050295, 11709520, 12880472, 16100590, 25760944, 32201180, 64402360, 128804720]

約数ペア:

[(1, 128804720), (2, 64402360), (4, 32201180), (5, 25760944), (8, 16100590), (10, 12880472), (11, 11709520), (16, 8050295), (20, 6440236), (22, 5854760), (40, 3220118), (44, 2927380), (55, 2341904), (80, 1610059), (88, 1463690), (110, 1170952), (176, 731845), (220, 585476), (440, 292738), (880, 146369)]