215562880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 96

約数和(自身を含む): 558300060

約数和(自身を除く): 342737180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 520, 640, 676, 832, 845, 1040, 1352, 1664, 1690, 1993, 2080, 2704, 3380, 3986, 4160, 5408, 6760, 7972, 8320, 9965, 10816, 13520, 15944, 19930, 21632, 25909, 27040, 31888, 39860, 51818, 54080, 63776, 79720, 103636, 108160, 127552, 129545, 159440, 207272, 255104, 259090, 318880, 336817, 414544, 518180, 637760, 673634, 829088, 1036360, 1275520, 1347268, 1658176, 1684085, 2072720, 2694536, 3316352, 3368170, 4145440, 5389072, 6736340, 8290880, 10778144, 13472680, 16581760, 21556288, 26945360, 43112576, 53890720, 107781440, 215562880]

約数ペア:

[(1, 215562880), (2, 107781440), (4, 53890720), (5, 43112576), (8, 26945360), (10, 21556288), (13, 16581760), (16, 13472680), (20, 10778144), (26, 8290880), (32, 6736340), (40, 5389072), (52, 4145440), (64, 3368170), (65, 3316352), (80, 2694536), (104, 2072720), (128, 1684085), (130, 1658176), (160, 1347268), (169, 1275520), (208, 1036360), (260, 829088), (320, 673634), (338, 637760), (416, 518180), (520, 414544), (640, 336817), (676, 318880), (832, 259090), (845, 255104), (1040, 207272), (1352, 159440), (1664, 129545), (1690, 127552), (1993, 108160), (2080, 103636), (2704, 79720), (3380, 63776), (3986, 54080), (4160, 51818), (5408, 39860), (6760, 31888), (7972, 27040), (8320, 25909), (9965, 21632), (10816, 19930), (13520, 15944)]