161778008

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 388800000

約数和(自身を除く): 227021992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 49, 56, 58, 76, 98, 107, 116, 133, 152, 196, 203, 214, 232, 266, 343, 392, 406, 428, 532, 551, 686, 749, 812, 856, 931, 1064, 1102, 1372, 1421, 1498, 1624, 1862, 2033, 2204, 2744, 2842, 2996, 3103, 3724, 3857, 4066, 4408, 5243, 5684, 5992, 6206, 6517, 7448, 7714, 8132, 9947, 10486, 11368, 12412, 13034, 14231, 15428, 16264, 19894, 20972, 21721, 24824, 26068, 26999, 28462, 30856, 36701, 39788, 41944, 43442, 52136, 53998, 56924, 58957, 73402, 79576, 86884, 99617, 107996, 113848, 117914, 146804, 152047, 173768, 188993, 199234, 215992, 235828, 293608, 304094, 377986, 398468, 412699, 471656, 608188, 697319, 755972, 796936, 825398, 1064329, 1216376, 1394638, 1511944, 1650796, 2128658, 2789276, 2888893, 3301592, 4257316, 5578552, 5777786, 8514632, 11555572, 20222251, 23111144, 40444502, 80889004, 161778008]

約数ペア:

[(1, 161778008), (2, 80889004), (4, 40444502), (7, 23111144), (8, 20222251), (14, 11555572), (19, 8514632), (28, 5777786), (29, 5578552), (38, 4257316), (49, 3301592), (56, 2888893), (58, 2789276), (76, 2128658), (98, 1650796), (107, 1511944), (116, 1394638), (133, 1216376), (152, 1064329), (196, 825398), (203, 796936), (214, 755972), (232, 697319), (266, 608188), (343, 471656), (392, 412699), (406, 398468), (428, 377986), (532, 304094), (551, 293608), (686, 235828), (749, 215992), (812, 199234), (856, 188993), (931, 173768), (1064, 152047), (1102, 146804), (1372, 117914), (1421, 113848), (1498, 107996), (1624, 99617), (1862, 86884), (2033, 79576), (2204, 73402), (2744, 58957), (2842, 56924), (2996, 53998), (3103, 52136), (3724, 43442), (3857, 41944), (4066, 39788), (4408, 36701), (5243, 30856), (5684, 28462), (5992, 26999), (6206, 26068), (6517, 24824), (7448, 21721), (7714, 20972), (8132, 19894), (9947, 16264), (10486, 15428), (11368, 14231), (12412, 13034)]