256647120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1069363}}^1$

素因数の和:1069379

約数の個数: 40

約数和(自身を含む): 795606816

約数和(自身を除く): 538959696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1069363, 2138726, 3208089, 4277452, 5346815, 6416178, 8554904, 10693630, 12832356, 16040445, 17109808, 21387260, 25664712, 32080890, 42774520, 51329424, 64161780, 85549040, 128323560, 256647120]

約数ペア:

[(1, 256647120), (2, 128323560), (3, 85549040), (4, 64161780), (5, 51329424), (6, 42774520), (8, 32080890), (10, 25664712), (12, 21387260), (15, 17109808), (16, 16040445), (20, 12832356), (24, 10693630), (30, 8554904), (40, 6416178), (48, 5346815), (60, 4277452), (80, 3208089), (120, 2138726), (240, 1069363)]