81352368

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 236190240

約数和(自身を除く): 154837872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 73, 109, 142, 144, 146, 213, 218, 219, 284, 292, 327, 426, 436, 438, 568, 584, 639, 654, 657, 852, 872, 876, 981, 1136, 1168, 1278, 1308, 1314, 1704, 1744, 1752, 1962, 2556, 2616, 2628, 3408, 3504, 3924, 5112, 5183, 5232, 5256, 7739, 7848, 7957, 10224, 10366, 10512, 15478, 15549, 15696, 15914, 20732, 23217, 23871, 30956, 31098, 31828, 41464, 46434, 46647, 47742, 61912, 62196, 63656, 69651, 71613, 82928, 92868, 93294, 95484, 123824, 124392, 127312, 139302, 143226, 185736, 186588, 190968, 248784, 278604, 286452, 371472, 373176, 381936, 557208, 564947, 572904, 746352, 1114416, 1129894, 1145808, 1694841, 2259788, 3389682, 4519576, 5084523, 6779364, 9039152, 10169046, 13558728, 20338092, 27117456, 40676184, 81352368]

約数ペア:

[(1, 81352368), (2, 40676184), (3, 27117456), (4, 20338092), (6, 13558728), (8, 10169046), (9, 9039152), (12, 6779364), (16, 5084523), (18, 4519576), (24, 3389682), (36, 2259788), (48, 1694841), (71, 1145808), (72, 1129894), (73, 1114416), (109, 746352), (142, 572904), (144, 564947), (146, 557208), (213, 381936), (218, 373176), (219, 371472), (284, 286452), (292, 278604), (327, 248784), (426, 190968), (436, 186588), (438, 185736), (568, 143226), (584, 139302), (639, 127312), (654, 124392), (657, 123824), (852, 95484), (872, 93294), (876, 92868), (981, 82928), (1136, 71613), (1168, 69651), (1278, 63656), (1308, 62196), (1314, 61912), (1704, 47742), (1744, 46647), (1752, 46434), (1962, 41464), (2556, 31828), (2616, 31098), (2628, 30956), (3408, 23871), (3504, 23217), (3924, 20732), (5112, 15914), (5183, 15696), (5232, 15549), (5256, 15478), (7739, 10512), (7848, 10366), (7957, 10224)]