842014720

素因数分解:

$2^{13}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 112

約数和(自身を含む): 2059932888

約数和(自身を除く): 1217918168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 337, 488, 512, 610, 640, 674, 976, 1024, 1220, 1280, 1348, 1685, 1952, 2048, 2440, 2560, 2696, 3370, 3904, 4096, 4880, 5120, 5392, 6740, 7808, 8192, 9760, 10240, 10784, 13480, 15616, 19520, 20480, 20557, 21568, 26960, 31232, 39040, 40960, 41114, 43136, 53920, 62464, 78080, 82228, 86272, 102785, 107840, 124928, 156160, 164456, 172544, 205570, 215680, 249856, 312320, 328912, 345088, 411140, 431360, 499712, 624640, 657824, 690176, 822280, 862720, 1249280, 1315648, 1380352, 1644560, 1725440, 2498560, 2631296, 2760704, 3289120, 3450880, 5262592, 6578240, 6901760, 10525184, 13156480, 13803520, 21050368, 26312960, 42100736, 52625920, 84201472, 105251840, 168402944, 210503680, 421007360, 842014720]

約数ペア:

[(1, 842014720), (2, 421007360), (4, 210503680), (5, 168402944), (8, 105251840), (10, 84201472), (16, 52625920), (20, 42100736), (32, 26312960), (40, 21050368), (61, 13803520), (64, 13156480), (80, 10525184), (122, 6901760), (128, 6578240), (160, 5262592), (244, 3450880), (256, 3289120), (305, 2760704), (320, 2631296), (337, 2498560), (488, 1725440), (512, 1644560), (610, 1380352), (640, 1315648), (674, 1249280), (976, 862720), (1024, 822280), (1220, 690176), (1280, 657824), (1348, 624640), (1685, 499712), (1952, 431360), (2048, 411140), (2440, 345088), (2560, 328912), (2696, 312320), (3370, 249856), (3904, 215680), (4096, 205570), (4880, 172544), (5120, 164456), (5392, 156160), (6740, 124928), (7808, 107840), (8192, 102785), (9760, 86272), (10240, 82228), (10784, 78080), (13480, 62464), (15616, 53920), (19520, 43136), (20480, 41114), (20557, 40960), (21568, 39040), (26960, 31232)]