678938760

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{209549}}^1$

素因数の和:209572

約数の個数: 80

約数和(自身を含む): 2281999500

約数和(自身を除く): 1603060740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 209549, 419098, 628647, 838196, 1047745, 1257294, 1676392, 1885941, 2095490, 2514588, 3143235, 3771882, 4190980, 5029176, 5657823, 6286470, 7543764, 8381960, 9429705, 11315646, 12572940, 15087528, 16973469, 18859410, 22631292, 25145880, 28289115, 33946938, 37718820, 45262584, 56578230, 67893876, 75437640, 84867345, 113156460, 135787752, 169734690, 226312920, 339469380, 678938760]

約数ペア:

[(1, 678938760), (2, 339469380), (3, 226312920), (4, 169734690), (5, 135787752), (6, 113156460), (8, 84867345), (9, 75437640), (10, 67893876), (12, 56578230), (15, 45262584), (18, 37718820), (20, 33946938), (24, 28289115), (27, 25145880), (30, 22631292), (36, 18859410), (40, 16973469), (45, 15087528), (54, 12572940), (60, 11315646), (72, 9429705), (81, 8381960), (90, 7543764), (108, 6286470), (120, 5657823), (135, 5029176), (162, 4190980), (180, 3771882), (216, 3143235), (270, 2514588), (324, 2095490), (360, 1885941), (405, 1676392), (540, 1257294), (648, 1047745), (810, 838196), (1080, 628647), (1620, 419098), (3240, 209549)]