71251740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 249133248

約数和(自身を除く): 177881508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 193, 210, 252, 293, 315, 386, 420, 579, 586, 630, 772, 879, 965, 1158, 1172, 1260, 1351, 1465, 1737, 1758, 1930, 2051, 2316, 2637, 2702, 2895, 2930, 3474, 3516, 3860, 4053, 4102, 4395, 5274, 5404, 5790, 5860, 6153, 6755, 6948, 8106, 8204, 8685, 8790, 10255, 10548, 11580, 12159, 12306, 13185, 13510, 16212, 17370, 17580, 18459, 20265, 20510, 24318, 24612, 26370, 27020, 30765, 34740, 36918, 40530, 41020, 48636, 52740, 56549, 60795, 61530, 73836, 81060, 92295, 113098, 121590, 123060, 169647, 184590, 226196, 243180, 282745, 339294, 369180, 395843, 508941, 565490, 678588, 791686, 848235, 1017882, 1130980, 1187529, 1583372, 1696470, 1979215, 2035764, 2375058, 2544705, 3392940, 3562587, 3958430, 4750116, 5089410, 5937645, 7125174, 7916860, 10178820, 11875290, 14250348, 17812935, 23750580, 35625870, 71251740]

約数ペア:

[(1, 71251740), (2, 35625870), (3, 23750580), (4, 17812935), (5, 14250348), (6, 11875290), (7, 10178820), (9, 7916860), (10, 7125174), (12, 5937645), (14, 5089410), (15, 4750116), (18, 3958430), (20, 3562587), (21, 3392940), (28, 2544705), (30, 2375058), (35, 2035764), (36, 1979215), (42, 1696470), (45, 1583372), (60, 1187529), (63, 1130980), (70, 1017882), (84, 848235), (90, 791686), (105, 678588), (126, 565490), (140, 508941), (180, 395843), (193, 369180), (210, 339294), (252, 282745), (293, 243180), (315, 226196), (386, 184590), (420, 169647), (579, 123060), (586, 121590), (630, 113098), (772, 92295), (879, 81060), (965, 73836), (1158, 61530), (1172, 60795), (1260, 56549), (1351, 52740), (1465, 48636), (1737, 41020), (1758, 40530), (1930, 36918), (2051, 34740), (2316, 30765), (2637, 27020), (2702, 26370), (2895, 24612), (2930, 24318), (3474, 20510), (3516, 20265), (3860, 18459), (4053, 17580), (4102, 17370), (4395, 16212), (5274, 13510), (5404, 13185), (5790, 12306), (5860, 12159), (6153, 11580), (6755, 10548), (6948, 10255), (8106, 8790), (8204, 8685)]