215686640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 575963136

約数和(自身を除く): 360276496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 71, 80, 92, 104, 115, 127, 130, 142, 184, 208, 230, 254, 260, 284, 299, 355, 368, 460, 508, 520, 568, 598, 635, 710, 920, 923, 1016, 1040, 1136, 1196, 1270, 1420, 1495, 1633, 1651, 1840, 1846, 2032, 2392, 2540, 2840, 2921, 2990, 3266, 3302, 3692, 4615, 4784, 5080, 5680, 5842, 5980, 6532, 6604, 7384, 8165, 8255, 9017, 9230, 10160, 11684, 11960, 13064, 13208, 14605, 14768, 16330, 16510, 18034, 18460, 21229, 23368, 23920, 26128, 26416, 29210, 32660, 33020, 36068, 36920, 37973, 42458, 45085, 46736, 58420, 65320, 66040, 72136, 73840, 75946, 84916, 90170, 106145, 116840, 117221, 130640, 132080, 144272, 151892, 169832, 180340, 189865, 207391, 212290, 233680, 234442, 303784, 339664, 360680, 379730, 414782, 424580, 468884, 586105, 607568, 721360, 759460, 829564, 849160, 937768, 1036955, 1172210, 1518920, 1659128, 1698320, 1875536, 2073910, 2344420, 2696083, 3037840, 3318256, 4147820, 4688840, 5392166, 8295640, 9377680, 10784332, 13480415, 16591280, 21568664, 26960830, 43137328, 53921660, 107843320, 215686640]

約数ペア:

[(1, 215686640), (2, 107843320), (4, 53921660), (5, 43137328), (8, 26960830), (10, 21568664), (13, 16591280), (16, 13480415), (20, 10784332), (23, 9377680), (26, 8295640), (40, 5392166), (46, 4688840), (52, 4147820), (65, 3318256), (71, 3037840), (80, 2696083), (92, 2344420), (104, 2073910), (115, 1875536), (127, 1698320), (130, 1659128), (142, 1518920), (184, 1172210), (208, 1036955), (230, 937768), (254, 849160), (260, 829564), (284, 759460), (299, 721360), (355, 607568), (368, 586105), (460, 468884), (508, 424580), (520, 414782), (568, 379730), (598, 360680), (635, 339664), (710, 303784), (920, 234442), (923, 233680), (1016, 212290), (1040, 207391), (1136, 189865), (1196, 180340), (1270, 169832), (1420, 151892), (1495, 144272), (1633, 132080), (1651, 130640), (1840, 117221), (1846, 116840), (2032, 106145), (2392, 90170), (2540, 84916), (2840, 75946), (2921, 73840), (2990, 72136), (3266, 66040), (3302, 65320), (3692, 58420), (4615, 46736), (4784, 45085), (5080, 42458), (5680, 37973), (5842, 36920), (5980, 36068), (6532, 33020), (6604, 32660), (7384, 29210), (8165, 26416), (8255, 26128), (9017, 23920), (9230, 23368), (10160, 21229), (11684, 18460), (11960, 18034), (13064, 16510), (13208, 16330), (14605, 14768)]