81423120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339263}}^1$

素因数の和:339279

約数の個数: 40

約数和(自身を含む): 252412416

約数和(自身を除く): 170989296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339263, 678526, 1017789, 1357052, 1696315, 2035578, 2714104, 3392630, 4071156, 5088945, 5428208, 6785260, 8142312, 10177890, 13570520, 16284624, 20355780, 27141040, 40711560, 81423120]

約数ペア:

[(1, 81423120), (2, 40711560), (3, 27141040), (4, 20355780), (5, 16284624), (6, 13570520), (8, 10177890), (10, 8142312), (12, 6785260), (15, 5428208), (16, 5088945), (20, 4071156), (24, 3392630), (30, 2714104), (40, 2035578), (48, 1696315), (60, 1357052), (80, 1017789), (120, 678526), (240, 339263)]