261657648

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 240

約数和(自身を含む): 895656960

約数和(自身を除く): 633999312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 47, 48, 49, 54, 56, 63, 72, 84, 94, 98, 108, 112, 126, 141, 144, 147, 168, 188, 189, 196, 216, 252, 263, 282, 294, 329, 336, 376, 378, 392, 423, 432, 441, 504, 526, 564, 588, 658, 752, 756, 784, 789, 846, 882, 987, 1008, 1052, 1128, 1176, 1269, 1316, 1323, 1512, 1578, 1692, 1764, 1841, 1974, 2104, 2256, 2303, 2352, 2367, 2538, 2632, 2646, 2961, 3024, 3156, 3384, 3528, 3682, 3948, 4208, 4606, 4734, 5076, 5264, 5292, 5523, 5922, 6312, 6768, 6909, 7056, 7101, 7364, 7896, 8883, 9212, 9468, 10152, 10584, 11046, 11844, 12361, 12624, 12887, 13818, 14202, 14728, 15792, 16569, 17766, 18424, 18936, 20304, 20727, 21168, 22092, 23688, 24722, 25774, 27636, 28404, 29456, 33138, 35532, 36848, 37083, 37872, 38661, 41454, 44184, 47376, 49444, 49707, 51548, 55272, 56808, 62181, 66276, 71064, 74166, 77322, 82908, 86527, 88368, 98888, 99414, 103096, 110544, 111249, 113616, 115983, 124362, 132552, 142128, 148332, 154644, 165816, 173054, 197776, 198828, 206192, 222498, 231966, 248724, 259581, 265104, 296664, 309288, 331632, 333747, 346108, 347949, 397656, 444996, 463932, 497448, 519162, 593328, 605689, 618576, 667494, 692216, 695898, 778743, 795312, 889992, 927864, 994896, 1038324, 1211378, 1334988, 1384432, 1391796, 1557486, 1779984, 1817067, 1855728, 2076648, 2336229, 2422756, 2669976, 2783592, 3114972, 3634134, 4153296, 4672458, 4845512, 5339952, 5451201, 5567184, 6229944, 7268268, 9344916, 9691024, 10902402, 12459888, 14536536, 16353603, 18689832, 21804804, 29073072, 32707206, 37379664, 43609608, 65414412, 87219216, 130828824, 261657648]

約数ペア:

[(1, 261657648), (2, 130828824), (3, 87219216), (4, 65414412), (6, 43609608), (7, 37379664), (8, 32707206), (9, 29073072), (12, 21804804), (14, 18689832), (16, 16353603), (18, 14536536), (21, 12459888), (24, 10902402), (27, 9691024), (28, 9344916), (36, 7268268), (42, 6229944), (47, 5567184), (48, 5451201), (49, 5339952), (54, 4845512), (56, 4672458), (63, 4153296), (72, 3634134), (84, 3114972), (94, 2783592), (98, 2669976), (108, 2422756), (112, 2336229), (126, 2076648), (141, 1855728), (144, 1817067), (147, 1779984), (168, 1557486), (188, 1391796), (189, 1384432), (196, 1334988), (216, 1211378), (252, 1038324), (263, 994896), (282, 927864), (294, 889992), (329, 795312), (336, 778743), (376, 695898), (378, 692216), (392, 667494), (423, 618576), (432, 605689), (441, 593328), (504, 519162), (526, 497448), (564, 463932), (588, 444996), (658, 397656), (752, 347949), (756, 346108), (784, 333747), (789, 331632), (846, 309288), (882, 296664), (987, 265104), (1008, 259581), (1052, 248724), (1128, 231966), (1176, 222498), (1269, 206192), (1316, 198828), (1323, 197776), (1512, 173054), (1578, 165816), (1692, 154644), (1764, 148332), (1841, 142128), (1974, 132552), (2104, 124362), (2256, 115983), (2303, 113616), (2352, 111249), (2367, 110544), (2538, 103096), (2632, 99414), (2646, 98888), (2961, 88368), (3024, 86527), (3156, 82908), (3384, 77322), (3528, 74166), (3682, 71064), (3948, 66276), (4208, 62181), (4606, 56808), (4734, 55272), (5076, 51548), (5264, 49707), (5292, 49444), (5523, 47376), (5922, 44184), (6312, 41454), (6768, 38661), (6909, 37872), (7056, 37083), (7101, 36848), (7364, 35532), (7896, 33138), (8883, 29456), (9212, 28404), (9468, 27636), (10152, 25774), (10584, 24722), (11046, 23688), (11844, 22092), (12361, 21168), (12624, 20727), (12887, 20304), (13818, 18936), (14202, 18424), (14728, 17766), (15792, 16569)]