261630576

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 817090560

約数和(自身を除く): 555459984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 36, 43, 47, 48, 58, 62, 72, 86, 87, 93, 94, 116, 124, 129, 141, 144, 172, 174, 186, 188, 232, 248, 258, 261, 279, 282, 344, 348, 372, 376, 387, 423, 464, 496, 516, 522, 558, 564, 688, 696, 744, 752, 774, 846, 899, 1032, 1044, 1116, 1128, 1247, 1333, 1363, 1392, 1457, 1488, 1548, 1692, 1798, 2021, 2064, 2088, 2232, 2256, 2494, 2666, 2697, 2726, 2914, 3096, 3384, 3596, 3741, 3999, 4042, 4089, 4176, 4371, 4464, 4988, 5332, 5394, 5452, 5828, 6063, 6192, 6768, 7192, 7482, 7998, 8084, 8091, 8178, 8742, 9976, 10664, 10788, 10904, 11223, 11656, 11997, 12126, 12267, 13113, 14384, 14964, 15996, 16168, 16182, 16356, 17484, 18189, 19952, 21328, 21576, 21808, 22446, 23312, 23994, 24252, 24534, 26226, 29928, 31992, 32336, 32364, 32712, 34968, 36378, 38657, 42253, 43152, 44892, 47988, 48504, 49068, 52452, 58609, 59856, 62651, 63984, 64728, 65424, 69936, 72756, 77314, 84506, 89784, 95976, 97008, 98136, 104904, 115971, 117218, 125302, 126759, 129456, 145512, 154628, 169012, 175827, 179568, 187953, 191952, 196272, 209808, 231942, 234436, 250604, 253518, 291024, 309256, 338024, 347913, 351654, 375906, 380277, 463884, 468872, 501208, 507036, 527481, 563859, 618512, 676048, 695826, 703308, 751812, 760554, 927768, 937744, 1002416, 1014072, 1054962, 1127718, 1391652, 1406616, 1503624, 1521108, 1816879, 1855536, 2028144, 2109924, 2255436, 2783304, 2813232, 3007248, 3042216, 3633758, 4219848, 4510872, 5450637, 5566608, 6084432, 7267516, 8439696, 9021744, 10901274, 14535032, 16351911, 21802548, 29070064, 32703822, 43605096, 65407644, 87210192, 130815288, 261630576]

約数ペア:

[(1, 261630576), (2, 130815288), (3, 87210192), (4, 65407644), (6, 43605096), (8, 32703822), (9, 29070064), (12, 21802548), (16, 16351911), (18, 14535032), (24, 10901274), (29, 9021744), (31, 8439696), (36, 7267516), (43, 6084432), (47, 5566608), (48, 5450637), (58, 4510872), (62, 4219848), (72, 3633758), (86, 3042216), (87, 3007248), (93, 2813232), (94, 2783304), (116, 2255436), (124, 2109924), (129, 2028144), (141, 1855536), (144, 1816879), (172, 1521108), (174, 1503624), (186, 1406616), (188, 1391652), (232, 1127718), (248, 1054962), (258, 1014072), (261, 1002416), (279, 937744), (282, 927768), (344, 760554), (348, 751812), (372, 703308), (376, 695826), (387, 676048), (423, 618512), (464, 563859), (496, 527481), (516, 507036), (522, 501208), (558, 468872), (564, 463884), (688, 380277), (696, 375906), (744, 351654), (752, 347913), (774, 338024), (846, 309256), (899, 291024), (1032, 253518), (1044, 250604), (1116, 234436), (1128, 231942), (1247, 209808), (1333, 196272), (1363, 191952), (1392, 187953), (1457, 179568), (1488, 175827), (1548, 169012), (1692, 154628), (1798, 145512), (2021, 129456), (2064, 126759), (2088, 125302), (2232, 117218), (2256, 115971), (2494, 104904), (2666, 98136), (2697, 97008), (2726, 95976), (2914, 89784), (3096, 84506), (3384, 77314), (3596, 72756), (3741, 69936), (3999, 65424), (4042, 64728), (4089, 63984), (4176, 62651), (4371, 59856), (4464, 58609), (4988, 52452), (5332, 49068), (5394, 48504), (5452, 47988), (5828, 44892), (6063, 43152), (6192, 42253), (6768, 38657), (7192, 36378), (7482, 34968), (7998, 32712), (8084, 32364), (8091, 32336), (8178, 31992), (8742, 29928), (9976, 26226), (10664, 24534), (10788, 24252), (10904, 23994), (11223, 23312), (11656, 22446), (11997, 21808), (12126, 21576), (12267, 21328), (13113, 19952), (14384, 18189), (14964, 17484), (15996, 16356), (16168, 16182)]