256200840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{33889}}^1$

素因数の和:33916

約数の個数: 128

約数和(自身を含む): 976032000

約数和(自身を除く): 719831160

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, 33889, 67778, 101667, 135556, 169445, 203334, 237223, 271112, 305001, 338890, 406668, 474446, 508335, 610002, 677780, 711669, 813336, 915003, 948892, 1016670, 1186115, 1220004, 1355560, 1423338, 1525005, 1830006, 1897784, 2033340, 2135007, 2372230, 2440008, 2846676, 3050010, 3558345, 3660012, 4066680, 4270014, 4575015, 4744460, 5693352, 6100020, 6405021, 7116690, 7320024, 8540028, 9150030, 9488920, 10675035, 12200040, 12810042, 14233380, 17080056, 18300060, 21350070, 25620084, 28466760, 32025105, 36600120, 42700140, 51240168, 64050210, 85400280, 128100420, 256200840]

約数ペア:

[(1, 256200840), (2, 128100420), (3, 85400280), (4, 64050210), (5, 51240168), (6, 42700140), (7, 36600120), (8, 32025105), (9, 28466760), (10, 25620084), (12, 21350070), (14, 18300060), (15, 17080056), (18, 14233380), (20, 12810042), (21, 12200040), (24, 10675035), (27, 9488920), (28, 9150030), (30, 8540028), (35, 7320024), (36, 7116690), (40, 6405021), (42, 6100020), (45, 5693352), (54, 4744460), (56, 4575015), (60, 4270014), (63, 4066680), (70, 3660012), (72, 3558345), (84, 3050010), (90, 2846676), (105, 2440008), (108, 2372230), (120, 2135007), (126, 2033340), (135, 1897784), (140, 1830006), (168, 1525005), (180, 1423338), (189, 1355560), (210, 1220004), (216, 1186115), (252, 1016670), (270, 948892), (280, 915003), (315, 813336), (360, 711669), (378, 677780), (420, 610002), (504, 508335), (540, 474446), (630, 406668), (756, 338890), (840, 305001), (945, 271112), (1080, 237223), (1260, 203334), (1512, 169445), (1890, 135556), (2520, 101667), (3780, 67778), (7560, 33889)]