155639680

素因数分解:

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

素因数の和:749

約数の個数: 128

約数和(自身を含む): 434520000

約数和(自身を除く): 278880320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 709, 784, 896, 980, 1120, 1372, 1418, 1568, 1715, 1960, 2240, 2744, 2836, 3136, 3430, 3545, 3920, 4480, 4963, 5488, 5672, 6272, 6860, 7090, 7840, 9926, 10976, 11344, 13720, 14180, 15680, 19852, 21952, 22688, 24815, 27440, 28360, 31360, 34741, 39704, 43904, 45376, 49630, 54880, 56720, 69482, 79408, 90752, 99260, 109760, 113440, 138964, 158816, 173705, 198520, 219520, 226880, 243187, 277928, 317632, 347410, 397040, 453760, 486374, 555856, 635264, 694820, 794080, 972748, 1111712, 1215935, 1389640, 1588160, 1945496, 2223424, 2431870, 2779280, 3176320, 3890992, 4446848, 4863740, 5558560, 7781984, 9727480, 11117120, 15563968, 19454960, 22234240, 31127936, 38909920, 77819840, 155639680]

約数ペア:

[(1, 155639680), (2, 77819840), (4, 38909920), (5, 31127936), (7, 22234240), (8, 19454960), (10, 15563968), (14, 11117120), (16, 9727480), (20, 7781984), (28, 5558560), (32, 4863740), (35, 4446848), (40, 3890992), (49, 3176320), (56, 2779280), (64, 2431870), (70, 2223424), (80, 1945496), (98, 1588160), (112, 1389640), (128, 1215935), (140, 1111712), (160, 972748), (196, 794080), (224, 694820), (245, 635264), (280, 555856), (320, 486374), (343, 453760), (392, 397040), (448, 347410), (490, 317632), (560, 277928), (640, 243187), (686, 226880), (709, 219520), (784, 198520), (896, 173705), (980, 158816), (1120, 138964), (1372, 113440), (1418, 109760), (1568, 99260), (1715, 90752), (1960, 79408), (2240, 69482), (2744, 56720), (2836, 54880), (3136, 49630), (3430, 45376), (3545, 43904), (3920, 39704), (4480, 34741), (4963, 31360), (5488, 28360), (5672, 27440), (6272, 24815), (6860, 22688), (7090, 21952), (7840, 19852), (9926, 15680), (10976, 14180), (11344, 13720)]