8704920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 30666240

約数和(自身を除く): 21961320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 241, 258, 280, 301, 344, 420, 430, 482, 516, 602, 645, 723, 840, 860, 903, 964, 1032, 1204, 1205, 1290, 1446, 1505, 1687, 1720, 1806, 1928, 2408, 2410, 2580, 2892, 3010, 3374, 3612, 3615, 4515, 4820, 5061, 5160, 5784, 6020, 6748, 7224, 7230, 8435, 9030, 9640, 10122, 10363, 12040, 13496, 14460, 16870, 18060, 20244, 20726, 25305, 28920, 31089, 33740, 36120, 40488, 41452, 50610, 51815, 62178, 67480, 72541, 82904, 101220, 103630, 124356, 145082, 155445, 202440, 207260, 217623, 248712, 290164, 310890, 362705, 414520, 435246, 580328, 621780, 725410, 870492, 1088115, 1243560, 1450820, 1740984, 2176230, 2901640, 4352460, 8704920]

約数ペア:

[(1, 8704920), (2, 4352460), (3, 2901640), (4, 2176230), (5, 1740984), (6, 1450820), (7, 1243560), (8, 1088115), (10, 870492), (12, 725410), (14, 621780), (15, 580328), (20, 435246), (21, 414520), (24, 362705), (28, 310890), (30, 290164), (35, 248712), (40, 217623), (42, 207260), (43, 202440), (56, 155445), (60, 145082), (70, 124356), (84, 103630), (86, 101220), (105, 82904), (120, 72541), (129, 67480), (140, 62178), (168, 51815), (172, 50610), (210, 41452), (215, 40488), (241, 36120), (258, 33740), (280, 31089), (301, 28920), (344, 25305), (420, 20726), (430, 20244), (482, 18060), (516, 16870), (602, 14460), (645, 13496), (723, 12040), (840, 10363), (860, 10122), (903, 9640), (964, 9030), (1032, 8435), (1204, 7230), (1205, 7224), (1290, 6748), (1446, 6020), (1505, 5784), (1687, 5160), (1720, 5061), (1806, 4820), (1928, 4515), (2408, 3615), (2410, 3612), (2580, 3374), (2892, 3010)]