127981728

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{3023}}^1$

素因数の和:3056

約数の個数: 144

約数和(自身を含む): 434367360

約数和(自身を除く): 306385632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1512, 1568, 1764, 2016, 2352, 2646, 3023, 3024, 3528, 4704, 5292, 6046, 6048, 7056, 9069, 10584, 12092, 14112, 18138, 21161, 21168, 24184, 27207, 36276, 42322, 42336, 48368, 54414, 63483, 72552, 81621, 84644, 96736, 108828, 126966, 145104, 148127, 163242, 169288, 190449, 217656, 253932, 290208, 296254, 326484, 338576, 380898, 435312, 444381, 507864, 571347, 592508, 652968, 677152, 761796, 870624, 888762, 1015728, 1142694, 1185016, 1305936, 1333143, 1523592, 1777524, 2031456, 2285388, 2370032, 2611872, 2666286, 3047184, 3555048, 3999429, 4570776, 4740064, 5332572, 6094368, 7110096, 7998858, 9141552, 10665144, 14220192, 15997716, 18283104, 21330288, 31995432, 42660576, 63990864, 127981728]

約数ペア:

[(1, 127981728), (2, 63990864), (3, 42660576), (4, 31995432), (6, 21330288), (7, 18283104), (8, 15997716), (9, 14220192), (12, 10665144), (14, 9141552), (16, 7998858), (18, 7110096), (21, 6094368), (24, 5332572), (27, 4740064), (28, 4570776), (32, 3999429), (36, 3555048), (42, 3047184), (48, 2666286), (49, 2611872), (54, 2370032), (56, 2285388), (63, 2031456), (72, 1777524), (84, 1523592), (96, 1333143), (98, 1305936), (108, 1185016), (112, 1142694), (126, 1015728), (144, 888762), (147, 870624), (168, 761796), (189, 677152), (196, 652968), (216, 592508), (224, 571347), (252, 507864), (288, 444381), (294, 435312), (336, 380898), (378, 338576), (392, 326484), (432, 296254), (441, 290208), (504, 253932), (588, 217656), (672, 190449), (756, 169288), (784, 163242), (864, 148127), (882, 145104), (1008, 126966), (1176, 108828), (1323, 96736), (1512, 84644), (1568, 81621), (1764, 72552), (2016, 63483), (2352, 54414), (2646, 48368), (3023, 42336), (3024, 42322), (3528, 36276), (4704, 27207), (5292, 24184), (6046, 21168), (6048, 21161), (7056, 18138), (9069, 14112), (10584, 12092)]