81977856

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:146

約数の個数: 120

約数和(自身を含む): 234307920

約数和(自身を除く): 152330064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 53, 57, 64, 76, 96, 106, 114, 128, 152, 159, 192, 212, 228, 256, 304, 318, 384, 424, 456, 512, 608, 636, 768, 848, 912, 1007, 1216, 1272, 1536, 1696, 1824, 2014, 2432, 2544, 2809, 3021, 3392, 3648, 4028, 4864, 5088, 5618, 6042, 6784, 7296, 8056, 8427, 9728, 10176, 11236, 12084, 13568, 14592, 16112, 16854, 20352, 22472, 24168, 27136, 29184, 32224, 33708, 40704, 44944, 48336, 53371, 64448, 67416, 81408, 89888, 96672, 106742, 128896, 134832, 160113, 179776, 193344, 213484, 257792, 269664, 320226, 359552, 386688, 426968, 515584, 539328, 640452, 719104, 773376, 853936, 1078656, 1280904, 1438208, 1546752, 1707872, 2157312, 2561808, 3415744, 4314624, 5123616, 6831488, 10247232, 13662976, 20494464, 27325952, 40988928, 81977856]

約数ペア:

[(1, 81977856), (2, 40988928), (3, 27325952), (4, 20494464), (6, 13662976), (8, 10247232), (12, 6831488), (16, 5123616), (19, 4314624), (24, 3415744), (32, 2561808), (38, 2157312), (48, 1707872), (53, 1546752), (57, 1438208), (64, 1280904), (76, 1078656), (96, 853936), (106, 773376), (114, 719104), (128, 640452), (152, 539328), (159, 515584), (192, 426968), (212, 386688), (228, 359552), (256, 320226), (304, 269664), (318, 257792), (384, 213484), (424, 193344), (456, 179776), (512, 160113), (608, 134832), (636, 128896), (768, 106742), (848, 96672), (912, 89888), (1007, 81408), (1216, 67416), (1272, 64448), (1536, 53371), (1696, 48336), (1824, 44944), (2014, 40704), (2432, 33708), (2544, 32224), (2809, 29184), (3021, 27136), (3392, 24168), (3648, 22472), (4028, 20352), (4864, 16854), (5088, 16112), (5618, 14592), (6042, 13568), (6784, 12084), (7296, 11236), (8056, 10176), (8427, 9728)]