27128920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 78019200

約数和(自身を除く): 50890280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 257, 260, 280, 290, 364, 377, 406, 455, 514, 520, 580, 728, 754, 812, 910, 1015, 1028, 1160, 1285, 1508, 1624, 1799, 1820, 1885, 2030, 2056, 2570, 2639, 3016, 3341, 3598, 3640, 3770, 4060, 5140, 5278, 6682, 7196, 7453, 7540, 8120, 8995, 10280, 10556, 13195, 13364, 14392, 14906, 15080, 16705, 17990, 21112, 23387, 26390, 26728, 29812, 33410, 35980, 37265, 46774, 52171, 52780, 59624, 66820, 71960, 74530, 93548, 96889, 104342, 105560, 116935, 133640, 149060, 187096, 193778, 208684, 233870, 260855, 298120, 387556, 417368, 467740, 484445, 521710, 678223, 775112, 935480, 968890, 1043420, 1356446, 1937780, 2086840, 2712892, 3391115, 3875560, 5425784, 6782230, 13564460, 27128920]

約数ペア:

[(1, 27128920), (2, 13564460), (4, 6782230), (5, 5425784), (7, 3875560), (8, 3391115), (10, 2712892), (13, 2086840), (14, 1937780), (20, 1356446), (26, 1043420), (28, 968890), (29, 935480), (35, 775112), (40, 678223), (52, 521710), (56, 484445), (58, 467740), (65, 417368), (70, 387556), (91, 298120), (104, 260855), (116, 233870), (130, 208684), (140, 193778), (145, 187096), (182, 149060), (203, 133640), (232, 116935), (257, 105560), (260, 104342), (280, 96889), (290, 93548), (364, 74530), (377, 71960), (406, 66820), (455, 59624), (514, 52780), (520, 52171), (580, 46774), (728, 37265), (754, 35980), (812, 33410), (910, 29812), (1015, 26728), (1028, 26390), (1160, 23387), (1285, 21112), (1508, 17990), (1624, 16705), (1799, 15080), (1820, 14906), (1885, 14392), (2030, 13364), (2056, 13195), (2570, 10556), (2639, 10280), (3016, 8995), (3341, 8120), (3598, 7540), (3640, 7453), (3770, 7196), (4060, 6682), (5140, 5278)]