261811368

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 192

約数和(自身を含む): 901555200

約数和(自身を除く): 639743832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 31, 36, 39, 42, 52, 56, 62, 63, 72, 78, 84, 91, 93, 104, 117, 124, 126, 156, 168, 182, 186, 217, 234, 248, 252, 273, 279, 312, 364, 372, 403, 434, 468, 504, 546, 558, 651, 728, 744, 806, 819, 868, 936, 1092, 1116, 1209, 1289, 1302, 1612, 1638, 1736, 1953, 2184, 2232, 2418, 2578, 2604, 2821, 3224, 3276, 3627, 3867, 3906, 4836, 5156, 5208, 5642, 6552, 7254, 7734, 7812, 8463, 9023, 9672, 10312, 11284, 11601, 14508, 15468, 15624, 16757, 16926, 18046, 22568, 23202, 25389, 27069, 29016, 30936, 33514, 33852, 36092, 39959, 46404, 50271, 50778, 54138, 67028, 67704, 72184, 79918, 81207, 92808, 100542, 101556, 108276, 117299, 119877, 134056, 150813, 159836, 162414, 201084, 203112, 216552, 234598, 239754, 279713, 301626, 319672, 324828, 351897, 359631, 402168, 469196, 479508, 519467, 559426, 603252, 649656, 703794, 719262, 839139, 938392, 959016, 1038934, 1055691, 1118852, 1206504, 1407588, 1438524, 1558401, 1678278, 2077868, 2111382, 2237704, 2517417, 2815176, 2877048, 3116802, 3356556, 3636269, 4155736, 4222764, 4675203, 5034834, 6233604, 6713112, 7272538, 8445528, 9350406, 10069668, 10908807, 12467208, 14545076, 18700812, 20139336, 21817614, 29090152, 32726421, 37401624, 43635228, 65452842, 87270456, 130905684, 261811368]

約数ペア:

[(1, 261811368), (2, 130905684), (3, 87270456), (4, 65452842), (6, 43635228), (7, 37401624), (8, 32726421), (9, 29090152), (12, 21817614), (13, 20139336), (14, 18700812), (18, 14545076), (21, 12467208), (24, 10908807), (26, 10069668), (28, 9350406), (31, 8445528), (36, 7272538), (39, 6713112), (42, 6233604), (52, 5034834), (56, 4675203), (62, 4222764), (63, 4155736), (72, 3636269), (78, 3356556), (84, 3116802), (91, 2877048), (93, 2815176), (104, 2517417), (117, 2237704), (124, 2111382), (126, 2077868), (156, 1678278), (168, 1558401), (182, 1438524), (186, 1407588), (217, 1206504), (234, 1118852), (248, 1055691), (252, 1038934), (273, 959016), (279, 938392), (312, 839139), (364, 719262), (372, 703794), (403, 649656), (434, 603252), (468, 559426), (504, 519467), (546, 479508), (558, 469196), (651, 402168), (728, 359631), (744, 351897), (806, 324828), (819, 319672), (868, 301626), (936, 279713), (1092, 239754), (1116, 234598), (1209, 216552), (1289, 203112), (1302, 201084), (1612, 162414), (1638, 159836), (1736, 150813), (1953, 134056), (2184, 119877), (2232, 117299), (2418, 108276), (2578, 101556), (2604, 100542), (2821, 92808), (3224, 81207), (3276, 79918), (3627, 72184), (3867, 67704), (3906, 67028), (4836, 54138), (5156, 50778), (5208, 50271), (5642, 46404), (6552, 39959), (7254, 36092), (7734, 33852), (7812, 33514), (8463, 30936), (9023, 29016), (9672, 27069), (10312, 25389), (11284, 23202), (11601, 22568), (14508, 18046), (15468, 16926), (15624, 16757)]