638752272

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 1780838400

約数和(自身を除く): 1142086128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 67, 86, 93, 124, 129, 134, 149, 172, 186, 201, 248, 258, 268, 298, 344, 372, 402, 447, 496, 516, 536, 596, 688, 744, 804, 894, 1032, 1072, 1192, 1333, 1488, 1608, 1788, 2064, 2077, 2384, 2666, 2881, 3216, 3576, 3999, 4154, 4619, 5332, 5762, 6231, 6407, 7152, 7998, 8308, 8643, 9238, 9983, 10664, 11524, 12462, 12814, 13857, 15996, 16616, 17286, 18476, 19221, 19966, 21328, 23048, 24924, 25628, 27714, 29949, 31992, 33232, 34572, 36952, 38442, 39932, 46096, 49848, 51256, 55428, 59898, 63984, 69144, 73904, 76884, 79864, 89311, 99696, 102512, 110856, 119796, 138288, 153768, 159728, 178622, 198617, 221712, 239592, 267933, 307536, 309473, 357244, 397234, 429269, 479184, 535866, 595851, 618946, 714488, 794468, 858538, 928419, 1071732, 1191702, 1237892, 1287807, 1428976, 1588936, 1717076, 1856838, 2143464, 2383404, 2475784, 2575614, 3177872, 3434152, 3713676, 4286928, 4766808, 4951568, 5151228, 6868304, 7427352, 9533616, 10302456, 13307339, 14854704, 20604912, 26614678, 39922017, 53229356, 79844034, 106458712, 159688068, 212917424, 319376136, 638752272]

約数ペア:

[(1, 638752272), (2, 319376136), (3, 212917424), (4, 159688068), (6, 106458712), (8, 79844034), (12, 53229356), (16, 39922017), (24, 26614678), (31, 20604912), (43, 14854704), (48, 13307339), (62, 10302456), (67, 9533616), (86, 7427352), (93, 6868304), (124, 5151228), (129, 4951568), (134, 4766808), (149, 4286928), (172, 3713676), (186, 3434152), (201, 3177872), (248, 2575614), (258, 2475784), (268, 2383404), (298, 2143464), (344, 1856838), (372, 1717076), (402, 1588936), (447, 1428976), (496, 1287807), (516, 1237892), (536, 1191702), (596, 1071732), (688, 928419), (744, 858538), (804, 794468), (894, 714488), (1032, 618946), (1072, 595851), (1192, 535866), (1333, 479184), (1488, 429269), (1608, 397234), (1788, 357244), (2064, 309473), (2077, 307536), (2384, 267933), (2666, 239592), (2881, 221712), (3216, 198617), (3576, 178622), (3999, 159728), (4154, 153768), (4619, 138288), (5332, 119796), (5762, 110856), (6231, 102512), (6407, 99696), (7152, 89311), (7998, 79864), (8308, 76884), (8643, 73904), (9238, 69144), (9983, 63984), (10664, 59898), (11524, 55428), (12462, 51256), (12814, 49848), (13857, 46096), (15996, 39932), (16616, 38442), (17286, 36952), (18476, 34572), (19221, 33232), (19966, 31992), (21328, 29949), (23048, 27714), (24924, 25628)]