68455980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{380311}}^1$

素因数の和:380326

約数の個数: 36

約数和(自身を含む): 207650352

約数和(自身を除く): 139194372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 380311, 760622, 1140933, 1521244, 1901555, 2281866, 3422799, 3803110, 4563732, 5704665, 6845598, 7606220, 11409330, 13691196, 17113995, 22818660, 34227990, 68455980]

約数ペア:

[(1, 68455980), (2, 34227990), (3, 22818660), (4, 17113995), (5, 13691196), (6, 11409330), (9, 7606220), (10, 6845598), (12, 5704665), (15, 4563732), (18, 3803110), (20, 3422799), (30, 2281866), (36, 1901555), (45, 1521244), (60, 1140933), (90, 760622), (180, 380311)]