204991080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{881}}^1$

素因数の和:1179

約数の個数: 128

約数和(自身を含む): 706164480

約数和(自身を除く): 501173400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 277, 280, 420, 554, 831, 840, 881, 1108, 1385, 1662, 1762, 1939, 2216, 2643, 2770, 3324, 3524, 3878, 4155, 4405, 5286, 5540, 5817, 6167, 6648, 7048, 7756, 8310, 8810, 9695, 10572, 11080, 11634, 12334, 13215, 15512, 16620, 17620, 18501, 19390, 21144, 23268, 24668, 26430, 29085, 30835, 33240, 35240, 37002, 38780, 46536, 49336, 52860, 58170, 61670, 74004, 77560, 92505, 105720, 116340, 123340, 148008, 185010, 232680, 244037, 246680, 370020, 488074, 732111, 740040, 976148, 1220185, 1464222, 1708259, 1952296, 2440370, 2928444, 3416518, 3660555, 4880740, 5124777, 5856888, 6833036, 7321110, 8541295, 9761480, 10249554, 13666072, 14642220, 17082590, 20499108, 25623885, 29284440, 34165180, 40998216, 51247770, 68330360, 102495540, 204991080]

約数ペア:

[(1, 204991080), (2, 102495540), (3, 68330360), (4, 51247770), (5, 40998216), (6, 34165180), (7, 29284440), (8, 25623885), (10, 20499108), (12, 17082590), (14, 14642220), (15, 13666072), (20, 10249554), (21, 9761480), (24, 8541295), (28, 7321110), (30, 6833036), (35, 5856888), (40, 5124777), (42, 4880740), (56, 3660555), (60, 3416518), (70, 2928444), (84, 2440370), (105, 1952296), (120, 1708259), (140, 1464222), (168, 1220185), (210, 976148), (277, 740040), (280, 732111), (420, 488074), (554, 370020), (831, 246680), (840, 244037), (881, 232680), (1108, 185010), (1385, 148008), (1662, 123340), (1762, 116340), (1939, 105720), (2216, 92505), (2643, 77560), (2770, 74004), (3324, 61670), (3524, 58170), (3878, 52860), (4155, 49336), (4405, 46536), (5286, 38780), (5540, 37002), (5817, 35240), (6167, 33240), (6648, 30835), (7048, 29085), (7756, 26430), (8310, 24668), (8810, 23268), (9695, 21144), (10572, 19390), (11080, 18501), (11634, 17620), (12334, 16620), (13215, 15512)]