77819840

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{709}}^1$

素因数の和:747

約数の個数: 112

約数和(自身を含む): 216408000

約数和(自身を除く): 138588160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 709, 784, 980, 1120, 1372, 1418, 1568, 1715, 1960, 2240, 2744, 2836, 3136, 3430, 3545, 3920, 4963, 5488, 5672, 6860, 7090, 7840, 9926, 10976, 11344, 13720, 14180, 15680, 19852, 21952, 22688, 24815, 27440, 28360, 34741, 39704, 45376, 49630, 54880, 56720, 69482, 79408, 99260, 109760, 113440, 138964, 158816, 173705, 198520, 226880, 243187, 277928, 317632, 347410, 397040, 486374, 555856, 694820, 794080, 972748, 1111712, 1215935, 1389640, 1588160, 1945496, 2223424, 2431870, 2779280, 3890992, 4863740, 5558560, 7781984, 9727480, 11117120, 15563968, 19454960, 38909920, 77819840]

約数ペア:

[(1, 77819840), (2, 38909920), (4, 19454960), (5, 15563968), (7, 11117120), (8, 9727480), (10, 7781984), (14, 5558560), (16, 4863740), (20, 3890992), (28, 2779280), (32, 2431870), (35, 2223424), (40, 1945496), (49, 1588160), (56, 1389640), (64, 1215935), (70, 1111712), (80, 972748), (98, 794080), (112, 694820), (140, 555856), (160, 486374), (196, 397040), (224, 347410), (245, 317632), (280, 277928), (320, 243187), (343, 226880), (392, 198520), (448, 173705), (490, 158816), (560, 138964), (686, 113440), (709, 109760), (784, 99260), (980, 79408), (1120, 69482), (1372, 56720), (1418, 54880), (1568, 49630), (1715, 45376), (1960, 39704), (2240, 34741), (2744, 28360), (2836, 27440), (3136, 24815), (3430, 22688), (3545, 21952), (3920, 19852), (4963, 15680), (5488, 14180), (5672, 13720), (6860, 11344), (7090, 10976), (7840, 9926)]