256231080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{33893}}^1$

素因数の和:33920

約数の個数: 128

約数和(自身を含む): 976147200

約数和(自身を除く): 719916120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 33893, 67786, 101679, 135572, 169465, 203358, 237251, 271144, 305037, 338930, 406716, 474502, 508395, 610074, 677860, 711753, 813432, 915111, 949004, 1016790, 1186255, 1220148, 1355720, 1423506, 1525185, 1830222, 1898008, 2033580, 2135259, 2372510, 2440296, 2847012, 3050370, 3558765, 3660444, 4067160, 4270518, 4575555, 4745020, 5694024, 6100740, 6405777, 7117530, 7320888, 8541036, 9151110, 9490040, 10676295, 12201480, 12811554, 14235060, 17082072, 18302220, 21352590, 25623108, 28470120, 32028885, 36604440, 42705180, 51246216, 64057770, 85410360, 128115540, 256231080]

約数ペア:

[(1, 256231080), (2, 128115540), (3, 85410360), (4, 64057770), (5, 51246216), (6, 42705180), (7, 36604440), (8, 32028885), (9, 28470120), (10, 25623108), (12, 21352590), (14, 18302220), (15, 17082072), (18, 14235060), (20, 12811554), (21, 12201480), (24, 10676295), (27, 9490040), (28, 9151110), (30, 8541036), (35, 7320888), (36, 7117530), (40, 6405777), (42, 6100740), (45, 5694024), (54, 4745020), (56, 4575555), (60, 4270518), (63, 4067160), (70, 3660444), (72, 3558765), (84, 3050370), (90, 2847012), (105, 2440296), (108, 2372510), (120, 2135259), (126, 2033580), (135, 1898008), (140, 1830222), (168, 1525185), (180, 1423506), (189, 1355720), (210, 1220148), (216, 1186255), (252, 1016790), (270, 949004), (280, 915111), (315, 813432), (360, 711753), (378, 677860), (420, 610074), (504, 508395), (540, 474502), (630, 406716), (756, 338930), (840, 305037), (945, 271144), (1080, 237251), (1260, 203358), (1512, 169465), (1890, 135572), (2520, 101679), (3780, 67786), (7560, 33893)]