281091384

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 160

約数和(自身を含む): 929280000

約数和(自身を除く): 648188616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 81, 84, 93, 108, 124, 126, 162, 168, 186, 189, 216, 217, 248, 252, 279, 324, 372, 378, 434, 504, 558, 567, 648, 651, 744, 756, 837, 868, 1116, 1134, 1302, 1512, 1674, 1736, 1953, 1999, 2232, 2268, 2511, 2604, 3348, 3906, 3998, 4536, 5022, 5208, 5859, 5997, 6696, 7812, 7996, 10044, 11718, 11994, 13993, 15624, 15992, 17577, 17991, 20088, 23436, 23988, 27986, 35154, 35982, 41979, 46872, 47976, 53973, 55972, 61969, 70308, 71964, 83958, 107946, 111944, 123938, 125937, 140616, 143928, 161919, 167916, 185907, 215892, 247876, 251874, 323838, 335832, 371814, 377811, 431784, 433783, 495752, 503748, 557721, 647676, 743628, 755622, 867566, 1007496, 1115442, 1133433, 1295352, 1301349, 1487256, 1511244, 1673163, 1735132, 2230884, 2266866, 2602698, 3022488, 3346326, 3470264, 3904047, 4461768, 4533732, 5019489, 5205396, 6692652, 7808094, 9067464, 10038978, 10410792, 11712141, 13385304, 15616188, 20077956, 23424282, 31232376, 35136423, 40155912, 46848564, 70272846, 93697128, 140545692, 281091384]

約数ペア:

[(1, 281091384), (2, 140545692), (3, 93697128), (4, 70272846), (6, 46848564), (7, 40155912), (8, 35136423), (9, 31232376), (12, 23424282), (14, 20077956), (18, 15616188), (21, 13385304), (24, 11712141), (27, 10410792), (28, 10038978), (31, 9067464), (36, 7808094), (42, 6692652), (54, 5205396), (56, 5019489), (62, 4533732), (63, 4461768), (72, 3904047), (81, 3470264), (84, 3346326), (93, 3022488), (108, 2602698), (124, 2266866), (126, 2230884), (162, 1735132), (168, 1673163), (186, 1511244), (189, 1487256), (216, 1301349), (217, 1295352), (248, 1133433), (252, 1115442), (279, 1007496), (324, 867566), (372, 755622), (378, 743628), (434, 647676), (504, 557721), (558, 503748), (567, 495752), (648, 433783), (651, 431784), (744, 377811), (756, 371814), (837, 335832), (868, 323838), (1116, 251874), (1134, 247876), (1302, 215892), (1512, 185907), (1674, 167916), (1736, 161919), (1953, 143928), (1999, 140616), (2232, 125937), (2268, 123938), (2511, 111944), (2604, 107946), (3348, 83958), (3906, 71964), (3998, 70308), (4536, 61969), (5022, 55972), (5208, 53973), (5859, 47976), (5997, 46872), (6696, 41979), (7812, 35982), (7996, 35154), (10044, 27986), (11718, 23988), (11994, 23436), (13993, 20088), (15624, 17991), (15992, 17577)]