128008740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 367718400

約数和(自身を除く): 239709660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 151, 199, 213, 284, 302, 355, 398, 426, 453, 597, 604, 710, 755, 796, 852, 906, 995, 1065, 1194, 1420, 1510, 1812, 1990, 2130, 2265, 2388, 2985, 3020, 3980, 4260, 4530, 5970, 9060, 10721, 11940, 14129, 21442, 28258, 30049, 32163, 42387, 42884, 53605, 56516, 60098, 64326, 70645, 84774, 90147, 107210, 120196, 128652, 141290, 150245, 160815, 169548, 180294, 211935, 214420, 282580, 300490, 321630, 360588, 423870, 450735, 600980, 643260, 847740, 901470, 1802940, 2133479, 4266958, 6400437, 8533916, 10667395, 12800874, 21334790, 25601748, 32002185, 42669580, 64004370, 128008740]

約数ペア:

[(1, 128008740), (2, 64004370), (3, 42669580), (4, 32002185), (5, 25601748), (6, 21334790), (10, 12800874), (12, 10667395), (15, 8533916), (20, 6400437), (30, 4266958), (60, 2133479), (71, 1802940), (142, 901470), (151, 847740), (199, 643260), (213, 600980), (284, 450735), (302, 423870), (355, 360588), (398, 321630), (426, 300490), (453, 282580), (597, 214420), (604, 211935), (710, 180294), (755, 169548), (796, 160815), (852, 150245), (906, 141290), (995, 128652), (1065, 120196), (1194, 107210), (1420, 90147), (1510, 84774), (1812, 70645), (1990, 64326), (2130, 60098), (2265, 56516), (2388, 53605), (2985, 42884), (3020, 42387), (3980, 32163), (4260, 30049), (4530, 28258), (5970, 21442), (9060, 14129), (10721, 11940)]