255592680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2221}}^1$

素因数の和:2379

約数の個数: 128

約数和(自身を含む): 883111680

約数和(自身を除く): 627519000

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, 137, 140, 168, 210, 274, 280, 411, 420, 548, 685, 822, 840, 959, 1096, 1370, 1644, 1918, 2055, 2221, 2740, 2877, 3288, 3836, 4110, 4442, 4795, 5480, 5754, 6663, 7672, 8220, 8884, 9590, 11105, 11508, 13326, 14385, 15547, 16440, 17768, 19180, 22210, 23016, 26652, 28770, 31094, 33315, 38360, 44420, 46641, 53304, 57540, 62188, 66630, 77735, 88840, 93282, 115080, 124376, 133260, 155470, 186564, 233205, 266520, 304277, 310940, 373128, 466410, 608554, 621880, 912831, 932820, 1217108, 1521385, 1825662, 1865640, 2129939, 2434216, 3042770, 3651324, 4259878, 4564155, 6085540, 6389817, 7302648, 8519756, 9128310, 10649695, 12171080, 12779634, 17039512, 18256620, 21299390, 25559268, 31949085, 36513240, 42598780, 51118536, 63898170, 85197560, 127796340, 255592680]

約数ペア:

[(1, 255592680), (2, 127796340), (3, 85197560), (4, 63898170), (5, 51118536), (6, 42598780), (7, 36513240), (8, 31949085), (10, 25559268), (12, 21299390), (14, 18256620), (15, 17039512), (20, 12779634), (21, 12171080), (24, 10649695), (28, 9128310), (30, 8519756), (35, 7302648), (40, 6389817), (42, 6085540), (56, 4564155), (60, 4259878), (70, 3651324), (84, 3042770), (105, 2434216), (120, 2129939), (137, 1865640), (140, 1825662), (168, 1521385), (210, 1217108), (274, 932820), (280, 912831), (411, 621880), (420, 608554), (548, 466410), (685, 373128), (822, 310940), (840, 304277), (959, 266520), (1096, 233205), (1370, 186564), (1644, 155470), (1918, 133260), (2055, 124376), (2221, 115080), (2740, 93282), (2877, 88840), (3288, 77735), (3836, 66630), (4110, 62188), (4442, 57540), (4795, 53304), (5480, 46641), (5754, 44420), (6663, 38360), (7672, 33315), (8220, 31094), (8884, 28770), (9590, 26652), (11105, 23016), (11508, 22210), (13326, 19180), (14385, 17768), (15547, 16440)]