645173440

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1962

約数の個数: 112

約数和(自身を含む): 1633118400

約数和(自身を除く): 987944960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 145, 148, 160, 185, 232, 290, 296, 320, 370, 464, 580, 592, 740, 928, 1073, 1160, 1184, 1480, 1856, 1879, 2146, 2320, 2368, 2960, 3758, 4292, 4640, 5365, 5920, 7516, 8584, 9280, 9395, 10730, 11840, 15032, 17168, 18790, 21460, 30064, 34336, 37580, 42920, 54491, 60128, 68672, 69523, 75160, 85840, 108982, 120256, 139046, 150320, 171680, 217964, 272455, 278092, 300640, 343360, 347615, 435928, 544910, 556184, 601280, 695230, 871856, 1089820, 1112368, 1390460, 1743712, 2016167, 2179640, 2224736, 2780920, 3487424, 4032334, 4359280, 4449472, 5561840, 8064668, 8718560, 10080835, 11123680, 16129336, 17437120, 20161670, 22247360, 32258672, 40323340, 64517344, 80646680, 129034688, 161293360, 322586720, 645173440]

約数ペア:

[(1, 645173440), (2, 322586720), (4, 161293360), (5, 129034688), (8, 80646680), (10, 64517344), (16, 40323340), (20, 32258672), (29, 22247360), (32, 20161670), (37, 17437120), (40, 16129336), (58, 11123680), (64, 10080835), (74, 8718560), (80, 8064668), (116, 5561840), (145, 4449472), (148, 4359280), (160, 4032334), (185, 3487424), (232, 2780920), (290, 2224736), (296, 2179640), (320, 2016167), (370, 1743712), (464, 1390460), (580, 1112368), (592, 1089820), (740, 871856), (928, 695230), (1073, 601280), (1160, 556184), (1184, 544910), (1480, 435928), (1856, 347615), (1879, 343360), (2146, 300640), (2320, 278092), (2368, 272455), (2960, 217964), (3758, 171680), (4292, 150320), (4640, 139046), (5365, 120256), (5920, 108982), (7516, 85840), (8584, 75160), (9280, 69523), (9395, 68672), (10730, 60128), (11840, 54491), (15032, 42920), (17168, 37580), (18790, 34336), (21460, 30064)]