640742784

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8923}}^1$

素因数の和:8968

約数の個数: 128

約数和(自身を含む): 1966135680

約数和(自身を除く): 1325392896

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 64, 66, 68, 88, 96, 102, 128, 132, 136, 176, 187, 192, 204, 264, 272, 352, 374, 384, 408, 528, 544, 561, 704, 748, 816, 1056, 1088, 1122, 1408, 1496, 1632, 2112, 2176, 2244, 2992, 3264, 4224, 4488, 5984, 6528, 8923, 8976, 11968, 17846, 17952, 23936, 26769, 35692, 35904, 53538, 71384, 71808, 98153, 107076, 142768, 151691, 196306, 214152, 285536, 294459, 303382, 392612, 428304, 455073, 571072, 588918, 606764, 785224, 856608, 910146, 1142144, 1177836, 1213528, 1570448, 1668601, 1713216, 1820292, 2355672, 2427056, 3140896, 3337202, 3426432, 3640584, 4711344, 4854112, 5005803, 6281792, 6674404, 7281168, 9422688, 9708224, 10011606, 12563584, 13348808, 14562336, 18845376, 19416448, 20023212, 26697616, 29124672, 37690752, 40046424, 53395232, 58249344, 80092848, 106790464, 160185696, 213580928, 320371392, 640742784]

約数ペア:

[(1, 640742784), (2, 320371392), (3, 213580928), (4, 160185696), (6, 106790464), (8, 80092848), (11, 58249344), (12, 53395232), (16, 40046424), (17, 37690752), (22, 29124672), (24, 26697616), (32, 20023212), (33, 19416448), (34, 18845376), (44, 14562336), (48, 13348808), (51, 12563584), (64, 10011606), (66, 9708224), (68, 9422688), (88, 7281168), (96, 6674404), (102, 6281792), (128, 5005803), (132, 4854112), (136, 4711344), (176, 3640584), (187, 3426432), (192, 3337202), (204, 3140896), (264, 2427056), (272, 2355672), (352, 1820292), (374, 1713216), (384, 1668601), (408, 1570448), (528, 1213528), (544, 1177836), (561, 1142144), (704, 910146), (748, 856608), (816, 785224), (1056, 606764), (1088, 588918), (1122, 571072), (1408, 455073), (1496, 428304), (1632, 392612), (2112, 303382), (2176, 294459), (2244, 285536), (2992, 214152), (3264, 196306), (4224, 151691), (4488, 142768), (5984, 107076), (6528, 98153), (8923, 71808), (8976, 71384), (11968, 53538), (17846, 35904), (17952, 35692), (23936, 26769)]