68505920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 168

約数和(自身を含む): 201707496

約数和(自身を除く): 133201576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 257, 272, 280, 320, 340, 392, 448, 476, 490, 514, 544, 560, 595, 680, 784, 833, 952, 980, 1028, 1088, 1120, 1190, 1285, 1360, 1568, 1666, 1799, 1904, 1960, 2056, 2240, 2380, 2570, 2720, 3136, 3332, 3598, 3808, 3920, 4112, 4165, 4369, 4760, 5140, 5440, 6664, 7196, 7616, 7840, 8224, 8330, 8738, 8995, 9520, 10280, 12593, 13328, 14392, 15680, 16448, 16660, 17476, 17990, 19040, 20560, 21845, 25186, 26656, 28784, 30583, 33320, 34952, 35980, 38080, 41120, 43690, 50372, 53312, 57568, 61166, 62965, 66640, 69904, 71960, 82240, 87380, 100744, 115136, 122332, 125930, 133280, 139808, 143920, 152915, 174760, 201488, 214081, 244664, 251860, 266560, 279616, 287840, 305830, 349520, 402976, 428162, 489328, 503720, 575680, 611660, 699040, 805952, 856324, 978656, 1007440, 1070405, 1223320, 1398080, 1712648, 1957312, 2014880, 2140810, 2446640, 3425296, 4029760, 4281620, 4893280, 6850592, 8563240, 9786560, 13701184, 17126480, 34252960, 68505920]

約数ペア:

[(1, 68505920), (2, 34252960), (4, 17126480), (5, 13701184), (7, 9786560), (8, 8563240), (10, 6850592), (14, 4893280), (16, 4281620), (17, 4029760), (20, 3425296), (28, 2446640), (32, 2140810), (34, 2014880), (35, 1957312), (40, 1712648), (49, 1398080), (56, 1223320), (64, 1070405), (68, 1007440), (70, 978656), (80, 856324), (85, 805952), (98, 699040), (112, 611660), (119, 575680), (136, 503720), (140, 489328), (160, 428162), (170, 402976), (196, 349520), (224, 305830), (238, 287840), (245, 279616), (257, 266560), (272, 251860), (280, 244664), (320, 214081), (340, 201488), (392, 174760), (448, 152915), (476, 143920), (490, 139808), (514, 133280), (544, 125930), (560, 122332), (595, 115136), (680, 100744), (784, 87380), (833, 82240), (952, 71960), (980, 69904), (1028, 66640), (1088, 62965), (1120, 61166), (1190, 57568), (1285, 53312), (1360, 50372), (1568, 43690), (1666, 41120), (1799, 38080), (1904, 35980), (1960, 34952), (2056, 33320), (2240, 30583), (2380, 28784), (2570, 26656), (2720, 25186), (3136, 21845), (3332, 20560), (3598, 19040), (3808, 17990), (3920, 17476), (4112, 16660), (4165, 16448), (4369, 15680), (4760, 14392), (5140, 13328), (5440, 12593), (6664, 10280), (7196, 9520), (7616, 8995), (7840, 8738), (8224, 8330)]