68190400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 187086240

約数和(自身を除く): 118895840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 32, 34, 40, 46, 50, 64, 68, 80, 85, 92, 100, 109, 115, 136, 160, 170, 184, 200, 218, 230, 272, 320, 340, 368, 391, 400, 425, 436, 460, 544, 545, 575, 680, 736, 782, 800, 850, 872, 920, 1088, 1090, 1150, 1360, 1472, 1564, 1600, 1700, 1744, 1840, 1853, 1955, 2180, 2300, 2507, 2720, 2725, 3128, 3400, 3488, 3680, 3706, 3910, 4360, 4600, 5014, 5440, 5450, 6256, 6800, 6976, 7360, 7412, 7820, 8720, 9200, 9265, 9775, 10028, 10900, 12512, 12535, 13600, 14824, 15640, 17440, 18400, 18530, 19550, 20056, 21800, 25024, 25070, 27200, 29648, 31280, 34880, 36800, 37060, 39100, 40112, 42619, 43600, 46325, 50140, 59296, 62560, 62675, 74120, 78200, 80224, 85238, 87200, 92650, 100280, 118592, 125120, 125350, 148240, 156400, 160448, 170476, 174400, 185300, 200560, 213095, 250700, 296480, 312800, 340952, 370600, 401120, 426190, 501400, 592960, 625600, 681904, 741200, 802240, 852380, 1002800, 1065475, 1363808, 1482400, 1704760, 2005600, 2130950, 2727616, 2964800, 3409520, 4011200, 4261900, 6819040, 8523800, 13638080, 17047600, 34095200, 68190400]

約数ペア:

[(1, 68190400), (2, 34095200), (4, 17047600), (5, 13638080), (8, 8523800), (10, 6819040), (16, 4261900), (17, 4011200), (20, 3409520), (23, 2964800), (25, 2727616), (32, 2130950), (34, 2005600), (40, 1704760), (46, 1482400), (50, 1363808), (64, 1065475), (68, 1002800), (80, 852380), (85, 802240), (92, 741200), (100, 681904), (109, 625600), (115, 592960), (136, 501400), (160, 426190), (170, 401120), (184, 370600), (200, 340952), (218, 312800), (230, 296480), (272, 250700), (320, 213095), (340, 200560), (368, 185300), (391, 174400), (400, 170476), (425, 160448), (436, 156400), (460, 148240), (544, 125350), (545, 125120), (575, 118592), (680, 100280), (736, 92650), (782, 87200), (800, 85238), (850, 80224), (872, 78200), (920, 74120), (1088, 62675), (1090, 62560), (1150, 59296), (1360, 50140), (1472, 46325), (1564, 43600), (1600, 42619), (1700, 40112), (1744, 39100), (1840, 37060), (1853, 36800), (1955, 34880), (2180, 31280), (2300, 29648), (2507, 27200), (2720, 25070), (2725, 25024), (3128, 21800), (3400, 20056), (3488, 19550), (3680, 18530), (3706, 18400), (3910, 17440), (4360, 15640), (4600, 14824), (5014, 13600), (5440, 12535), (5450, 12512), (6256, 10900), (6800, 10028), (6976, 9775), (7360, 9265), (7412, 9200), (7820, 8720)]