257801616

素因数分解:

$2^4\times 3^5\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1171

約数の個数: 120

約数和(自身を含む): 761173504

約数和(自身を除く): 503371888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 81, 108, 122, 144, 162, 183, 216, 243, 244, 324, 366, 432, 486, 488, 549, 648, 732, 972, 976, 1087, 1098, 1296, 1464, 1647, 1944, 2174, 2196, 2928, 3261, 3294, 3888, 4348, 4392, 4941, 6522, 6588, 8696, 8784, 9783, 9882, 13044, 13176, 14823, 17392, 19566, 19764, 26088, 26352, 29349, 29646, 39132, 39528, 52176, 58698, 59292, 66307, 78264, 79056, 88047, 117396, 118584, 132614, 156528, 176094, 198921, 234792, 237168, 264141, 265228, 352188, 397842, 469584, 528282, 530456, 596763, 704376, 795684, 1056564, 1060912, 1193526, 1408752, 1591368, 1790289, 2113128, 2387052, 3182736, 3580578, 4226256, 4774104, 5370867, 7161156, 9548208, 10741734, 14322312, 16112601, 21483468, 28644624, 32225202, 42966936, 64450404, 85933872, 128900808, 257801616]

約数ペア:

[(1, 257801616), (2, 128900808), (3, 85933872), (4, 64450404), (6, 42966936), (8, 32225202), (9, 28644624), (12, 21483468), (16, 16112601), (18, 14322312), (24, 10741734), (27, 9548208), (36, 7161156), (48, 5370867), (54, 4774104), (61, 4226256), (72, 3580578), (81, 3182736), (108, 2387052), (122, 2113128), (144, 1790289), (162, 1591368), (183, 1408752), (216, 1193526), (243, 1060912), (244, 1056564), (324, 795684), (366, 704376), (432, 596763), (486, 530456), (488, 528282), (549, 469584), (648, 397842), (732, 352188), (972, 265228), (976, 264141), (1087, 237168), (1098, 234792), (1296, 198921), (1464, 176094), (1647, 156528), (1944, 132614), (2174, 118584), (2196, 117396), (2928, 88047), (3261, 79056), (3294, 78264), (3888, 66307), (4348, 59292), (4392, 58698), (4941, 52176), (6522, 39528), (6588, 39132), (8696, 29646), (8784, 29349), (9783, 26352), (9882, 26088), (13044, 19764), (13176, 19566), (14823, 17392)]