128968686

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 369388800

約数和(自身を除く): 240420114

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 81, 98, 99, 126, 147, 154, 162, 189, 198, 211, 231, 294, 297, 343, 378, 422, 441, 462, 539, 567, 594, 633, 686, 693, 882, 891, 1029, 1078, 1134, 1266, 1323, 1386, 1477, 1617, 1782, 1899, 2058, 2079, 2321, 2646, 2954, 3087, 3234, 3773, 3798, 3969, 4158, 4431, 4642, 4851, 5697, 6174, 6237, 6963, 7546, 7938, 8862, 9261, 9702, 10339, 11319, 11394, 12474, 13293, 13926, 14553, 16247, 17091, 18522, 20678, 20889, 22638, 26586, 27783, 29106, 31017, 32494, 33957, 34182, 39879, 41778, 43659, 48741, 55566, 62034, 62667, 67914, 72373, 79758, 87318, 93051, 97482, 101871, 113729, 119637, 125334, 144746, 146223, 186102, 188001, 203742, 217119, 227458, 239274, 279153, 292446, 305613, 341187, 376002, 434238, 438669, 558306, 611226, 651357, 682374, 796103, 837459, 877338, 1023561, 1302714, 1316007, 1592206, 1674918, 1954071, 2047122, 2388309, 2632014, 3070683, 3908142, 4776618, 5862213, 6141366, 7164927, 9212049, 11724426, 14329854, 18424098, 21494781, 42989562, 64484343, 128968686]

約数ペア:

[(1, 128968686), (2, 64484343), (3, 42989562), (6, 21494781), (7, 18424098), (9, 14329854), (11, 11724426), (14, 9212049), (18, 7164927), (21, 6141366), (22, 5862213), (27, 4776618), (33, 3908142), (42, 3070683), (49, 2632014), (54, 2388309), (63, 2047122), (66, 1954071), (77, 1674918), (81, 1592206), (98, 1316007), (99, 1302714), (126, 1023561), (147, 877338), (154, 837459), (162, 796103), (189, 682374), (198, 651357), (211, 611226), (231, 558306), (294, 438669), (297, 434238), (343, 376002), (378, 341187), (422, 305613), (441, 292446), (462, 279153), (539, 239274), (567, 227458), (594, 217119), (633, 203742), (686, 188001), (693, 186102), (882, 146223), (891, 144746), (1029, 125334), (1078, 119637), (1134, 113729), (1266, 101871), (1323, 97482), (1386, 93051), (1477, 87318), (1617, 79758), (1782, 72373), (1899, 67914), (2058, 62667), (2079, 62034), (2321, 55566), (2646, 48741), (2954, 43659), (3087, 41778), (3234, 39879), (3773, 34182), (3798, 33957), (3969, 32494), (4158, 31017), (4431, 29106), (4642, 27783), (4851, 26586), (5697, 22638), (6174, 20889), (6237, 20678), (6963, 18522), (7546, 17091), (7938, 16247), (8862, 14553), (9261, 13926), (9702, 13293), (10339, 12474), (11319, 11394)]