68180800

素因数分解:

$2^6\times 5^2\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1056

約数の個数: 84

約数和(自身を含む): 171842176

約数和(自身を除く): 103661376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 160, 172, 200, 215, 320, 344, 400, 430, 688, 800, 860, 991, 1075, 1376, 1600, 1720, 1982, 2150, 2752, 3440, 3964, 4300, 4955, 6880, 7928, 8600, 9910, 13760, 15856, 17200, 19820, 24775, 31712, 34400, 39640, 42613, 49550, 63424, 68800, 79280, 85226, 99100, 158560, 170452, 198200, 213065, 317120, 340904, 396400, 426130, 681808, 792800, 852260, 1065325, 1363616, 1585600, 1704520, 2130650, 2727232, 3409040, 4261300, 6818080, 8522600, 13636160, 17045200, 34090400, 68180800]

約数ペア:

[(1, 68180800), (2, 34090400), (4, 17045200), (5, 13636160), (8, 8522600), (10, 6818080), (16, 4261300), (20, 3409040), (25, 2727232), (32, 2130650), (40, 1704520), (43, 1585600), (50, 1363616), (64, 1065325), (80, 852260), (86, 792800), (100, 681808), (160, 426130), (172, 396400), (200, 340904), (215, 317120), (320, 213065), (344, 198200), (400, 170452), (430, 158560), (688, 99100), (800, 85226), (860, 79280), (991, 68800), (1075, 63424), (1376, 49550), (1600, 42613), (1720, 39640), (1982, 34400), (2150, 31712), (2752, 24775), (3440, 19820), (3964, 17200), (4300, 15856), (4955, 13760), (6880, 9910), (7928, 8600)]