251535984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 827447040

約数和(自身を除く): 575911056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 31, 38, 41, 42, 48, 56, 57, 62, 76, 82, 84, 93, 112, 114, 123, 124, 133, 152, 164, 168, 186, 217, 228, 246, 248, 266, 287, 304, 328, 336, 372, 399, 434, 456, 492, 496, 532, 574, 589, 651, 656, 744, 779, 798, 861, 868, 912, 961, 984, 1064, 1148, 1178, 1271, 1302, 1488, 1558, 1596, 1722, 1736, 1767, 1922, 1968, 2128, 2296, 2337, 2356, 2542, 2604, 2883, 3116, 3192, 3444, 3472, 3534, 3813, 3844, 4123, 4592, 4674, 4712, 5084, 5208, 5453, 5766, 6232, 6384, 6727, 6888, 7068, 7626, 7688, 8246, 8897, 9348, 9424, 10168, 10416, 10906, 11532, 12369, 12464, 13454, 13776, 14136, 15252, 15376, 16359, 16492, 17794, 18259, 18696, 20181, 20336, 21812, 23064, 24149, 24738, 26691, 26908, 28272, 30504, 32718, 32984, 35588, 36518, 37392, 39401, 40362, 43624, 46128, 48298, 49476, 53382, 53816, 54777, 61008, 65436, 65968, 71176, 72447, 73036, 78802, 80724, 87248, 96596, 98952, 106764, 107632, 109554, 118203, 127813, 130872, 142352, 144894, 146072, 157604, 161448, 169043, 193192, 197904, 213528, 219108, 236406, 255626, 261744, 275807, 289788, 292144, 315208, 322896, 338086, 383439, 386384, 427056, 438216, 472812, 507129, 511252, 551614, 579576, 630416, 676172, 748619, 766878, 827421, 876432, 945624, 1014258, 1022504, 1103228, 1159152, 1352344, 1497238, 1533756, 1654842, 1891248, 2028516, 2045008, 2206456, 2245857, 2704688, 2994476, 3067512, 3309684, 4057032, 4412912, 4491714, 5240333, 5988952, 6135024, 6619368, 8114064, 8983428, 10480666, 11977904, 13238736, 15720999, 17966856, 20961332, 31441998, 35933712, 41922664, 62883996, 83845328, 125767992, 251535984]

約数ペア:

[(1, 251535984), (2, 125767992), (3, 83845328), (4, 62883996), (6, 41922664), (7, 35933712), (8, 31441998), (12, 20961332), (14, 17966856), (16, 15720999), (19, 13238736), (21, 11977904), (24, 10480666), (28, 8983428), (31, 8114064), (38, 6619368), (41, 6135024), (42, 5988952), (48, 5240333), (56, 4491714), (57, 4412912), (62, 4057032), (76, 3309684), (82, 3067512), (84, 2994476), (93, 2704688), (112, 2245857), (114, 2206456), (123, 2045008), (124, 2028516), (133, 1891248), (152, 1654842), (164, 1533756), (168, 1497238), (186, 1352344), (217, 1159152), (228, 1103228), (246, 1022504), (248, 1014258), (266, 945624), (287, 876432), (304, 827421), (328, 766878), (336, 748619), (372, 676172), (399, 630416), (434, 579576), (456, 551614), (492, 511252), (496, 507129), (532, 472812), (574, 438216), (589, 427056), (651, 386384), (656, 383439), (744, 338086), (779, 322896), (798, 315208), (861, 292144), (868, 289788), (912, 275807), (961, 261744), (984, 255626), (1064, 236406), (1148, 219108), (1178, 213528), (1271, 197904), (1302, 193192), (1488, 169043), (1558, 161448), (1596, 157604), (1722, 146072), (1736, 144894), (1767, 142352), (1922, 130872), (1968, 127813), (2128, 118203), (2296, 109554), (2337, 107632), (2356, 106764), (2542, 98952), (2604, 96596), (2883, 87248), (3116, 80724), (3192, 78802), (3444, 73036), (3472, 72447), (3534, 71176), (3813, 65968), (3844, 65436), (4123, 61008), (4592, 54777), (4674, 53816), (4712, 53382), (5084, 49476), (5208, 48298), (5453, 46128), (5766, 43624), (6232, 40362), (6384, 39401), (6727, 37392), (6888, 36518), (7068, 35588), (7626, 32984), (7688, 32718), (8246, 30504), (8897, 28272), (9348, 26908), (9424, 26691), (10168, 24738), (10416, 24149), (10906, 23064), (11532, 21812), (12369, 20336), (12464, 20181), (13454, 18696), (13776, 18259), (14136, 17794), (15252, 16492), (15376, 16359)]