67987780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2713}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 164142720

約数和(自身を除く): 96154940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 2713, 3580, 5012, 5426, 6265, 10852, 12530, 13565, 18991, 25060, 27130, 37982, 54260, 75964, 94955, 189910, 379820, 485627, 971254, 1942508, 2428135, 3399389, 4856270, 6798778, 9712540, 13597556, 16996945, 33993890, 67987780]

約数ペア:

[(1, 67987780), (2, 33993890), (4, 16996945), (5, 13597556), (7, 9712540), (10, 6798778), (14, 4856270), (20, 3399389), (28, 2428135), (35, 1942508), (70, 971254), (140, 485627), (179, 379820), (358, 189910), (716, 94955), (895, 75964), (1253, 54260), (1790, 37982), (2506, 27130), (2713, 25060), (3580, 18991), (5012, 13565), (5426, 12530), (6265, 10852)]