2017187615440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7549}}^1\times {\mathrm{107747}}^1$

素因数の和:115340

約数の個数: 80

約数和(自身を含む): 4841936524800

約数和(自身を除く): 2824748909360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7549, 15098, 30196, 37745, 60392, 75490, 107747, 120784, 150980, 215494, 234019, 301960, 430988, 468038, 538735, 603920, 861976, 936076, 1077470, 1170095, 1723952, 1872152, 2154940, 2340190, 3340157, 3744304, 4309880, 4680380, 6680314, 8619760, 9360760, 13360628, 16700785, 18721520, 26721256, 33401570, 53442512, 66803140, 133606280, 267212560, 813382103, 1626764206, 3253528412, 4066910515, 6507056824, 8133821030, 13014113648, 16267642060, 25214845193, 32535284120, 50429690386, 65070568240, 100859380772, 126074225965, 201718761544, 252148451930, 403437523088, 504296903860, 1008593807720, 2017187615440]

約数ペア:

[(1, 2017187615440), (2, 1008593807720), (4, 504296903860), (5, 403437523088), (8, 252148451930), (10, 201718761544), (16, 126074225965), (20, 100859380772), (31, 65070568240), (40, 50429690386), (62, 32535284120), (80, 25214845193), (124, 16267642060), (155, 13014113648), (248, 8133821030), (310, 6507056824), (496, 4066910515), (620, 3253528412), (1240, 1626764206), (2480, 813382103), (7549, 267212560), (15098, 133606280), (30196, 66803140), (37745, 53442512), (60392, 33401570), (75490, 26721256), (107747, 18721520), (120784, 16700785), (150980, 13360628), (215494, 9360760), (234019, 8619760), (301960, 6680314), (430988, 4680380), (468038, 4309880), (538735, 3744304), (603920, 3340157), (861976, 2340190), (936076, 2154940), (1077470, 1872152), (1170095, 1723952)]