261911808

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 216

約数和(自身を含む): 824794880

約数和(自身を除く): 562883072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 64, 72, 76, 93, 96, 114, 124, 128, 144, 152, 171, 186, 192, 193, 228, 248, 256, 279, 288, 304, 342, 372, 384, 386, 456, 496, 558, 576, 579, 589, 608, 684, 744, 768, 772, 912, 992, 1116, 1152, 1158, 1178, 1216, 1368, 1488, 1544, 1737, 1767, 1824, 1984, 2232, 2304, 2316, 2356, 2432, 2736, 2976, 3088, 3474, 3534, 3648, 3667, 3968, 4464, 4632, 4712, 4864, 5301, 5472, 5952, 5983, 6176, 6948, 7068, 7296, 7334, 7936, 8928, 9264, 9424, 10602, 10944, 11001, 11904, 11966, 12352, 13896, 14136, 14592, 14668, 17856, 17949, 18528, 18848, 21204, 21888, 22002, 23808, 23932, 24704, 27792, 28272, 29336, 33003, 35712, 35898, 37056, 37696, 42408, 43776, 44004, 47864, 49408, 53847, 55584, 56544, 58672, 66006, 71424, 71796, 74112, 75392, 84816, 88008, 95728, 107694, 111168, 113088, 113677, 117344, 132012, 143592, 148224, 150784, 169632, 176016, 191456, 215388, 222336, 226176, 227354, 234688, 264024, 287184, 339264, 341031, 352032, 382912, 430776, 444672, 452352, 454708, 469376, 528048, 574368, 678528, 682062, 704064, 765824, 861552, 909416, 938752, 1023093, 1056096, 1148736, 1357056, 1364124, 1408128, 1531648, 1723104, 1818832, 2046186, 2112192, 2297472, 2728248, 2816256, 3446208, 3637664, 4092372, 4224384, 4594944, 5456496, 6892416, 7275328, 8184744, 8448768, 10912992, 13784832, 14550656, 16369488, 21825984, 29101312, 32738976, 43651968, 65477952, 87303936, 130955904, 261911808]

約数ペア:

[(1, 261911808), (2, 130955904), (3, 87303936), (4, 65477952), (6, 43651968), (8, 32738976), (9, 29101312), (12, 21825984), (16, 16369488), (18, 14550656), (19, 13784832), (24, 10912992), (31, 8448768), (32, 8184744), (36, 7275328), (38, 6892416), (48, 5456496), (57, 4594944), (62, 4224384), (64, 4092372), (72, 3637664), (76, 3446208), (93, 2816256), (96, 2728248), (114, 2297472), (124, 2112192), (128, 2046186), (144, 1818832), (152, 1723104), (171, 1531648), (186, 1408128), (192, 1364124), (193, 1357056), (228, 1148736), (248, 1056096), (256, 1023093), (279, 938752), (288, 909416), (304, 861552), (342, 765824), (372, 704064), (384, 682062), (386, 678528), (456, 574368), (496, 528048), (558, 469376), (576, 454708), (579, 452352), (589, 444672), (608, 430776), (684, 382912), (744, 352032), (768, 341031), (772, 339264), (912, 287184), (992, 264024), (1116, 234688), (1152, 227354), (1158, 226176), (1178, 222336), (1216, 215388), (1368, 191456), (1488, 176016), (1544, 169632), (1737, 150784), (1767, 148224), (1824, 143592), (1984, 132012), (2232, 117344), (2304, 113677), (2316, 113088), (2356, 111168), (2432, 107694), (2736, 95728), (2976, 88008), (3088, 84816), (3474, 75392), (3534, 74112), (3648, 71796), (3667, 71424), (3968, 66006), (4464, 58672), (4632, 56544), (4712, 55584), (4864, 53847), (5301, 49408), (5472, 47864), (5952, 44004), (5983, 43776), (6176, 42408), (6948, 37696), (7068, 37056), (7296, 35898), (7334, 35712), (7936, 33003), (8928, 29336), (9264, 28272), (9424, 27792), (10602, 24704), (10944, 23932), (11001, 23808), (11904, 22002), (11966, 21888), (12352, 21204), (13896, 18848), (14136, 18528), (14592, 17949), (14668, 17856)]