81649536

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 128

約数和(自身を含む): 236313600

約数和(自身を除く): 154664064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 304, 361, 372, 384, 456, 496, 589, 608, 722, 744, 912, 992, 1083, 1178, 1216, 1444, 1488, 1767, 1824, 1984, 2166, 2356, 2432, 2888, 2976, 3534, 3648, 3968, 4332, 4712, 5776, 5952, 6859, 7068, 7296, 8664, 9424, 11191, 11552, 11904, 13718, 14136, 17328, 18848, 20577, 22382, 23104, 27436, 28272, 33573, 34656, 37696, 41154, 44764, 46208, 54872, 56544, 67146, 69312, 75392, 82308, 89528, 109744, 113088, 134292, 138624, 164616, 179056, 212629, 219488, 226176, 268584, 329232, 358112, 425258, 438976, 537168, 637887, 658464, 716224, 850516, 877952, 1074336, 1275774, 1316928, 1432448, 1701032, 2148672, 2551548, 2633856, 3402064, 4297344, 5103096, 6804128, 10206192, 13608256, 20412384, 27216512, 40824768, 81649536]

約数ペア:

[(1, 81649536), (2, 40824768), (3, 27216512), (4, 20412384), (6, 13608256), (8, 10206192), (12, 6804128), (16, 5103096), (19, 4297344), (24, 3402064), (31, 2633856), (32, 2551548), (38, 2148672), (48, 1701032), (57, 1432448), (62, 1316928), (64, 1275774), (76, 1074336), (93, 877952), (96, 850516), (114, 716224), (124, 658464), (128, 637887), (152, 537168), (186, 438976), (192, 425258), (228, 358112), (248, 329232), (304, 268584), (361, 226176), (372, 219488), (384, 212629), (456, 179056), (496, 164616), (589, 138624), (608, 134292), (722, 113088), (744, 109744), (912, 89528), (992, 82308), (1083, 75392), (1178, 69312), (1216, 67146), (1444, 56544), (1488, 54872), (1767, 46208), (1824, 44764), (1984, 41154), (2166, 37696), (2356, 34656), (2432, 33573), (2888, 28272), (2976, 27436), (3534, 23104), (3648, 22382), (3968, 20577), (4332, 18848), (4712, 17328), (5776, 14136), (5952, 13718), (6859, 11904), (7068, 11552), (7296, 11191), (8664, 9424)]