51139760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 145704960

約数和(自身を除く): 94565200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 47, 56, 58, 67, 70, 80, 94, 112, 116, 134, 140, 145, 188, 203, 232, 235, 268, 280, 290, 329, 335, 376, 406, 464, 469, 470, 536, 560, 580, 658, 670, 752, 812, 938, 940, 1015, 1072, 1160, 1316, 1340, 1363, 1624, 1645, 1876, 1880, 1943, 2030, 2320, 2345, 2632, 2680, 2726, 3149, 3248, 3290, 3752, 3760, 3886, 4060, 4690, 5264, 5360, 5452, 6298, 6580, 6815, 7504, 7772, 8120, 9380, 9541, 9715, 10904, 12596, 13160, 13601, 13630, 15544, 15745, 16240, 18760, 19082, 19430, 21808, 22043, 25192, 26320, 27202, 27260, 31088, 31490, 37520, 38164, 38860, 44086, 47705, 50384, 54404, 54520, 62980, 68005, 76328, 77720, 88172, 91321, 95410, 108808, 109040, 110215, 125960, 136010, 152656, 155440, 176344, 182642, 190820, 217616, 220430, 251920, 272020, 352688, 365284, 381640, 440860, 456605, 544040, 639247, 730568, 763280, 881720, 913210, 1088080, 1278494, 1461136, 1763440, 1826420, 2556988, 3196235, 3652840, 5113976, 6392470, 7305680, 10227952, 12784940, 25569880, 51139760]

約数ペア:

[(1, 51139760), (2, 25569880), (4, 12784940), (5, 10227952), (7, 7305680), (8, 6392470), (10, 5113976), (14, 3652840), (16, 3196235), (20, 2556988), (28, 1826420), (29, 1763440), (35, 1461136), (40, 1278494), (47, 1088080), (56, 913210), (58, 881720), (67, 763280), (70, 730568), (80, 639247), (94, 544040), (112, 456605), (116, 440860), (134, 381640), (140, 365284), (145, 352688), (188, 272020), (203, 251920), (232, 220430), (235, 217616), (268, 190820), (280, 182642), (290, 176344), (329, 155440), (335, 152656), (376, 136010), (406, 125960), (464, 110215), (469, 109040), (470, 108808), (536, 95410), (560, 91321), (580, 88172), (658, 77720), (670, 76328), (752, 68005), (812, 62980), (938, 54520), (940, 54404), (1015, 50384), (1072, 47705), (1160, 44086), (1316, 38860), (1340, 38164), (1363, 37520), (1624, 31490), (1645, 31088), (1876, 27260), (1880, 27202), (1943, 26320), (2030, 25192), (2320, 22043), (2345, 21808), (2632, 19430), (2680, 19082), (2726, 18760), (3149, 16240), (3248, 15745), (3290, 15544), (3752, 13630), (3760, 13601), (3886, 13160), (4060, 12596), (4690, 10904), (5264, 9715), (5360, 9541), (5452, 9380), (6298, 8120), (6580, 7772), (6815, 7504)]