261381708

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:657

約数の個数: 192

約数和(自身を含む): 842956800

約数和(自身を除く): 581575092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 31, 36, 38, 42, 54, 57, 62, 63, 76, 84, 93, 108, 114, 124, 126, 133, 171, 186, 189, 217, 228, 252, 266, 279, 342, 372, 378, 399, 434, 513, 532, 558, 587, 589, 651, 684, 756, 798, 837, 868, 1026, 1116, 1174, 1178, 1197, 1302, 1596, 1674, 1761, 1767, 1953, 2052, 2348, 2356, 2394, 2604, 3348, 3522, 3534, 3591, 3906, 4109, 4123, 4788, 5283, 5301, 5859, 7044, 7068, 7182, 7812, 8218, 8246, 10566, 10602, 11153, 11718, 12327, 12369, 14364, 15849, 15903, 16436, 16492, 18197, 21132, 21204, 22306, 23436, 24654, 24738, 31698, 31806, 33459, 36394, 36981, 37107, 44612, 49308, 49476, 54591, 63396, 63612, 66918, 72788, 73962, 74214, 78071, 100377, 109182, 110943, 111321, 127379, 133836, 147924, 148428, 156142, 163773, 200754, 218364, 221886, 222642, 234213, 254758, 301131, 312284, 327546, 345743, 382137, 401508, 443772, 445284, 468426, 491319, 509516, 602262, 655092, 691486, 702639, 764274, 936852, 982638, 1037229, 1146411, 1204524, 1382972, 1405278, 1528548, 1965276, 2074458, 2107917, 2292822, 2420201, 2810556, 3111687, 3439233, 4148916, 4215834, 4585644, 4840402, 6223374, 6878466, 7260603, 8431668, 9335061, 9680804, 12446748, 13756932, 14521206, 18670122, 21781809, 29042412, 37340244, 43563618, 65345427, 87127236, 130690854, 261381708]

約数ペア:

[(1, 261381708), (2, 130690854), (3, 87127236), (4, 65345427), (6, 43563618), (7, 37340244), (9, 29042412), (12, 21781809), (14, 18670122), (18, 14521206), (19, 13756932), (21, 12446748), (27, 9680804), (28, 9335061), (31, 8431668), (36, 7260603), (38, 6878466), (42, 6223374), (54, 4840402), (57, 4585644), (62, 4215834), (63, 4148916), (76, 3439233), (84, 3111687), (93, 2810556), (108, 2420201), (114, 2292822), (124, 2107917), (126, 2074458), (133, 1965276), (171, 1528548), (186, 1405278), (189, 1382972), (217, 1204524), (228, 1146411), (252, 1037229), (266, 982638), (279, 936852), (342, 764274), (372, 702639), (378, 691486), (399, 655092), (434, 602262), (513, 509516), (532, 491319), (558, 468426), (587, 445284), (589, 443772), (651, 401508), (684, 382137), (756, 345743), (798, 327546), (837, 312284), (868, 301131), (1026, 254758), (1116, 234213), (1174, 222642), (1178, 221886), (1197, 218364), (1302, 200754), (1596, 163773), (1674, 156142), (1761, 148428), (1767, 147924), (1953, 133836), (2052, 127379), (2348, 111321), (2356, 110943), (2394, 109182), (2604, 100377), (3348, 78071), (3522, 74214), (3534, 73962), (3591, 72788), (3906, 66918), (4109, 63612), (4123, 63396), (4788, 54591), (5283, 49476), (5301, 49308), (5859, 44612), (7044, 37107), (7068, 36981), (7182, 36394), (7812, 33459), (8218, 31806), (8246, 31698), (10566, 24738), (10602, 24654), (11153, 23436), (11718, 22306), (12327, 21204), (12369, 21132), (14364, 18197), (15849, 16492), (15903, 16436)]