248786820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32143}}^1$

素因数の和:32201

約数の個数: 72

約数和(自身を含む): 772227456

約数和(自身を除く): 523440636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 32143, 64286, 96429, 128572, 160715, 192858, 289287, 321430, 385716, 482145, 578574, 642860, 964290, 1157148, 1382149, 1446435, 1928580, 2764298, 2892870, 4146447, 5528596, 5785740, 6910745, 8292894, 12439341, 13821490, 16585788, 20732235, 24878682, 27642980, 41464470, 49757364, 62196705, 82928940, 124393410, 248786820]

約数ペア:

[(1, 248786820), (2, 124393410), (3, 82928940), (4, 62196705), (5, 49757364), (6, 41464470), (9, 27642980), (10, 24878682), (12, 20732235), (15, 16585788), (18, 13821490), (20, 12439341), (30, 8292894), (36, 6910745), (43, 5785740), (45, 5528596), (60, 4146447), (86, 2892870), (90, 2764298), (129, 1928580), (172, 1446435), (180, 1382149), (215, 1157148), (258, 964290), (387, 642860), (430, 578574), (516, 482145), (645, 385716), (774, 321430), (860, 289287), (1290, 192858), (1548, 160715), (1935, 128572), (2580, 96429), (3870, 64286), (7740, 32143)]