68815040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 112

約数和(自身を含む): 193511424

約数和(自身を除く): 124696384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 991, 992, 1085, 1120, 1240, 1736, 1982, 1984, 2170, 2240, 2480, 3472, 3964, 4340, 4955, 4960, 6937, 6944, 7928, 8680, 9910, 9920, 13874, 13888, 15856, 17360, 19820, 27748, 30721, 31712, 34685, 34720, 39640, 55496, 61442, 63424, 69370, 69440, 79280, 110992, 122884, 138740, 153605, 158560, 215047, 221984, 245768, 277480, 307210, 317120, 430094, 443968, 491536, 554960, 614420, 860188, 983072, 1075235, 1109920, 1228840, 1720376, 1966144, 2150470, 2219840, 2457680, 3440752, 4300940, 4915360, 6881504, 8601880, 9830720, 13763008, 17203760, 34407520, 68815040]

約数ペア:

[(1, 68815040), (2, 34407520), (4, 17203760), (5, 13763008), (7, 9830720), (8, 8601880), (10, 6881504), (14, 4915360), (16, 4300940), (20, 3440752), (28, 2457680), (31, 2219840), (32, 2150470), (35, 1966144), (40, 1720376), (56, 1228840), (62, 1109920), (64, 1075235), (70, 983072), (80, 860188), (112, 614420), (124, 554960), (140, 491536), (155, 443968), (160, 430094), (217, 317120), (224, 307210), (248, 277480), (280, 245768), (310, 221984), (320, 215047), (434, 158560), (448, 153605), (496, 138740), (560, 122884), (620, 110992), (868, 79280), (991, 69440), (992, 69370), (1085, 63424), (1120, 61442), (1240, 55496), (1736, 39640), (1982, 34720), (1984, 34685), (2170, 31712), (2240, 30721), (2480, 27748), (3472, 19820), (3964, 17360), (4340, 15856), (4955, 13888), (4960, 13874), (6937, 9920), (6944, 9910), (7928, 8680)]