656623520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1463

約数の個数: 144

約数和(自身を含む): 1835460648

約数和(自身を除く): 1178837128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 160, 196, 224, 244, 245, 280, 305, 392, 427, 488, 490, 560, 610, 784, 854, 976, 980, 1120, 1220, 1373, 1568, 1708, 1952, 1960, 2135, 2440, 2746, 2989, 3416, 3920, 4270, 4880, 5492, 5978, 6832, 6865, 7840, 8540, 9611, 9760, 10984, 11956, 13664, 13730, 14945, 17080, 19222, 21968, 23912, 27460, 29890, 34160, 38444, 43936, 47824, 48055, 54920, 59780, 67277, 68320, 76888, 83753, 95648, 96110, 109840, 119560, 134554, 153776, 167506, 192220, 219680, 239120, 269108, 307552, 335012, 336385, 384440, 418765, 478240, 538216, 586271, 670024, 672770, 768880, 837530, 1076432, 1172542, 1340048, 1345540, 1537760, 1675060, 2152864, 2345084, 2680096, 2691080, 2931355, 3350120, 4103897, 4690168, 5382160, 5862710, 6700240, 8207794, 9380336, 10764320, 11725420, 13400480, 16415588, 18760672, 20519485, 23450840, 32831176, 41038970, 46901680, 65662352, 82077940, 93803360, 131324704, 164155880, 328311760, 656623520]

約数ペア:

[(1, 656623520), (2, 328311760), (4, 164155880), (5, 131324704), (7, 93803360), (8, 82077940), (10, 65662352), (14, 46901680), (16, 41038970), (20, 32831176), (28, 23450840), (32, 20519485), (35, 18760672), (40, 16415588), (49, 13400480), (56, 11725420), (61, 10764320), (70, 9380336), (80, 8207794), (98, 6700240), (112, 5862710), (122, 5382160), (140, 4690168), (160, 4103897), (196, 3350120), (224, 2931355), (244, 2691080), (245, 2680096), (280, 2345084), (305, 2152864), (392, 1675060), (427, 1537760), (488, 1345540), (490, 1340048), (560, 1172542), (610, 1076432), (784, 837530), (854, 768880), (976, 672770), (980, 670024), (1120, 586271), (1220, 538216), (1373, 478240), (1568, 418765), (1708, 384440), (1952, 336385), (1960, 335012), (2135, 307552), (2440, 269108), (2746, 239120), (2989, 219680), (3416, 192220), (3920, 167506), (4270, 153776), (4880, 134554), (5492, 119560), (5978, 109840), (6832, 96110), (6865, 95648), (7840, 83753), (8540, 76888), (9611, 68320), (9760, 67277), (10984, 59780), (11956, 54920), (13664, 48055), (13730, 47824), (14945, 43936), (17080, 38444), (19222, 34160), (21968, 29890), (23912, 27460)]