261981696

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 160

約数和(自身を含む): 754237440

約数和(自身を除く): 492255744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 79, 96, 102, 127, 128, 136, 158, 192, 204, 237, 254, 256, 272, 316, 381, 384, 408, 474, 508, 512, 544, 632, 762, 768, 816, 948, 1016, 1088, 1264, 1343, 1524, 1536, 1632, 1896, 2032, 2159, 2176, 2528, 2686, 3048, 3264, 3792, 4029, 4064, 4318, 4352, 5056, 5372, 6096, 6477, 6528, 7584, 8058, 8128, 8636, 8704, 10033, 10112, 10744, 12192, 12954, 13056, 15168, 16116, 16256, 17272, 20066, 20224, 21488, 24384, 25908, 26112, 30099, 30336, 32232, 32512, 34544, 40132, 40448, 42976, 48768, 51816, 60198, 60672, 64464, 65024, 69088, 80264, 85952, 97536, 103632, 120396, 121344, 128928, 138176, 160528, 170561, 171904, 195072, 207264, 240792, 257856, 276352, 321056, 341122, 343808, 414528, 481584, 511683, 515712, 552704, 642112, 682244, 687616, 829056, 963168, 1023366, 1031424, 1105408, 1284224, 1364488, 1658112, 1926336, 2046732, 2062848, 2568448, 2728976, 3316224, 3852672, 4093464, 5136896, 5457952, 7705344, 8186928, 10915904, 15410688, 16373856, 21831808, 32747712, 43663616, 65495424, 87327232, 130990848, 261981696]

約数ペア:

[(1, 261981696), (2, 130990848), (3, 87327232), (4, 65495424), (6, 43663616), (8, 32747712), (12, 21831808), (16, 16373856), (17, 15410688), (24, 10915904), (32, 8186928), (34, 7705344), (48, 5457952), (51, 5136896), (64, 4093464), (68, 3852672), (79, 3316224), (96, 2728976), (102, 2568448), (127, 2062848), (128, 2046732), (136, 1926336), (158, 1658112), (192, 1364488), (204, 1284224), (237, 1105408), (254, 1031424), (256, 1023366), (272, 963168), (316, 829056), (381, 687616), (384, 682244), (408, 642112), (474, 552704), (508, 515712), (512, 511683), (544, 481584), (632, 414528), (762, 343808), (768, 341122), (816, 321056), (948, 276352), (1016, 257856), (1088, 240792), (1264, 207264), (1343, 195072), (1524, 171904), (1536, 170561), (1632, 160528), (1896, 138176), (2032, 128928), (2159, 121344), (2176, 120396), (2528, 103632), (2686, 97536), (3048, 85952), (3264, 80264), (3792, 69088), (4029, 65024), (4064, 64464), (4318, 60672), (4352, 60198), (5056, 51816), (5372, 48768), (6096, 42976), (6477, 40448), (6528, 40132), (7584, 34544), (8058, 32512), (8128, 32232), (8636, 30336), (8704, 30099), (10033, 26112), (10112, 25908), (10744, 24384), (12192, 21488), (12954, 20224), (13056, 20066), (15168, 17272), (16116, 16256)]