640173312

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8963}}^1$

素因数の和:9016

約数の個数: 108

約数和(自身を含む): 1905531264

約数和(自身を除く): 1265357952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2304, 2976, 3968, 4464, 5952, 7936, 8928, 8963, 11904, 17856, 17926, 23808, 26889, 35712, 35852, 53778, 71424, 71704, 80667, 107556, 143408, 161334, 215112, 277853, 286816, 322668, 430224, 555706, 573632, 645336, 833559, 860448, 1111412, 1147264, 1290672, 1667118, 1720896, 2222824, 2294528, 2500677, 2581344, 3334236, 3441792, 4445648, 5001354, 5162688, 6668472, 6883584, 8891296, 10002708, 10325376, 13336944, 17782592, 20005416, 20650752, 26673888, 35565184, 40010832, 53347776, 71130368, 80021664, 106695552, 160043328, 213391104, 320086656, 640173312]

約数ペア:

[(1, 640173312), (2, 320086656), (3, 213391104), (4, 160043328), (6, 106695552), (8, 80021664), (9, 71130368), (12, 53347776), (16, 40010832), (18, 35565184), (24, 26673888), (31, 20650752), (32, 20005416), (36, 17782592), (48, 13336944), (62, 10325376), (64, 10002708), (72, 8891296), (93, 6883584), (96, 6668472), (124, 5162688), (128, 5001354), (144, 4445648), (186, 3441792), (192, 3334236), (248, 2581344), (256, 2500677), (279, 2294528), (288, 2222824), (372, 1720896), (384, 1667118), (496, 1290672), (558, 1147264), (576, 1111412), (744, 860448), (768, 833559), (992, 645336), (1116, 573632), (1152, 555706), (1488, 430224), (1984, 322668), (2232, 286816), (2304, 277853), (2976, 215112), (3968, 161334), (4464, 143408), (5952, 107556), (7936, 80667), (8928, 71704), (8963, 71424), (11904, 53778), (17856, 35852), (17926, 35712), (23808, 26889)]