321857872

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 854945280

約数和(自身を除く): 533087408

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 31, 34, 38, 41, 49, 56, 62, 68, 76, 82, 98, 112, 119, 124, 133, 136, 152, 164, 196, 217, 238, 248, 266, 272, 287, 304, 323, 328, 392, 434, 476, 496, 527, 532, 574, 589, 646, 656, 697, 779, 784, 833, 868, 931, 952, 1054, 1064, 1148, 1178, 1271, 1292, 1394, 1519, 1558, 1666, 1736, 1862, 1904, 2009, 2108, 2128, 2261, 2296, 2356, 2542, 2584, 2788, 3038, 3116, 3332, 3472, 3689, 3724, 4018, 4123, 4216, 4522, 4592, 4712, 4879, 5084, 5168, 5453, 5576, 6076, 6232, 6664, 7378, 7448, 8036, 8246, 8432, 8897, 9044, 9424, 9758, 10013, 10168, 10906, 11152, 12152, 12464, 13243, 13328, 14756, 14896, 15827, 16072, 16492, 17794, 18088, 19516, 20026, 20336, 21607, 21812, 24149, 24304, 25823, 26486, 28861, 29512, 31654, 32144, 32984, 34153, 35588, 36176, 38171, 39032, 40052, 43214, 43624, 48298, 51646, 52972, 57722, 59024, 62279, 63308, 65968, 68306, 70091, 71176, 76342, 78064, 80104, 86428, 87248, 92701, 96596, 103292, 105944, 115444, 124558, 126616, 136612, 140182, 142352, 151249, 152684, 160208, 169043, 172856, 185402, 193192, 206584, 211888, 230888, 249116, 253232, 273224, 280364, 302498, 305368, 338086, 345712, 370804, 386384, 410533, 413168, 461776, 490637, 498232, 546448, 560728, 604996, 610736, 648907, 676172, 741608, 821066, 981274, 996464, 1058743, 1121456, 1183301, 1209992, 1297814, 1352344, 1483216, 1642132, 1962548, 2117486, 2366602, 2419984, 2595628, 2704688, 2873731, 3284264, 3925096, 4234972, 4733204, 5191256, 5747462, 6568528, 7850192, 8469944, 9466408, 10382512, 11494924, 16939888, 18932816, 20116117, 22989848, 40232234, 45979696, 80464468, 160928936, 321857872]

約数ペア:

[(1, 321857872), (2, 160928936), (4, 80464468), (7, 45979696), (8, 40232234), (14, 22989848), (16, 20116117), (17, 18932816), (19, 16939888), (28, 11494924), (31, 10382512), (34, 9466408), (38, 8469944), (41, 7850192), (49, 6568528), (56, 5747462), (62, 5191256), (68, 4733204), (76, 4234972), (82, 3925096), (98, 3284264), (112, 2873731), (119, 2704688), (124, 2595628), (133, 2419984), (136, 2366602), (152, 2117486), (164, 1962548), (196, 1642132), (217, 1483216), (238, 1352344), (248, 1297814), (266, 1209992), (272, 1183301), (287, 1121456), (304, 1058743), (323, 996464), (328, 981274), (392, 821066), (434, 741608), (476, 676172), (496, 648907), (527, 610736), (532, 604996), (574, 560728), (589, 546448), (646, 498232), (656, 490637), (697, 461776), (779, 413168), (784, 410533), (833, 386384), (868, 370804), (931, 345712), (952, 338086), (1054, 305368), (1064, 302498), (1148, 280364), (1178, 273224), (1271, 253232), (1292, 249116), (1394, 230888), (1519, 211888), (1558, 206584), (1666, 193192), (1736, 185402), (1862, 172856), (1904, 169043), (2009, 160208), (2108, 152684), (2128, 151249), (2261, 142352), (2296, 140182), (2356, 136612), (2542, 126616), (2584, 124558), (2788, 115444), (3038, 105944), (3116, 103292), (3332, 96596), (3472, 92701), (3689, 87248), (3724, 86428), (4018, 80104), (4123, 78064), (4216, 76342), (4522, 71176), (4592, 70091), (4712, 68306), (4879, 65968), (5084, 63308), (5168, 62279), (5453, 59024), (5576, 57722), (6076, 52972), (6232, 51646), (6664, 48298), (7378, 43624), (7448, 43214), (8036, 40052), (8246, 39032), (8432, 38171), (8897, 36176), (9044, 35588), (9424, 34153), (9758, 32984), (10013, 32144), (10168, 31654), (10906, 29512), (11152, 28861), (12152, 26486), (12464, 25823), (13243, 24304), (13328, 24149), (14756, 21812), (14896, 21607), (15827, 20336), (16072, 20026), (16492, 19516), (17794, 18088)]