81316656

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9907}}^1$

素因数の和:9943

約数の個数: 80

約数和(自身を含む): 245718400

約数和(自身を除く): 164401744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 9907, 19814, 29721, 39628, 59442, 79256, 89163, 118884, 158512, 178326, 188233, 237768, 267489, 356652, 376466, 475536, 534978, 564699, 713304, 752932, 1069956, 1129398, 1426608, 1505864, 1694097, 2139912, 2258796, 3011728, 3388194, 4279824, 4517592, 5082291, 6776388, 9035184, 10164582, 13552776, 20329164, 27105552, 40658328, 81316656]

約数ペア:

[(1, 81316656), (2, 40658328), (3, 27105552), (4, 20329164), (6, 13552776), (8, 10164582), (9, 9035184), (12, 6776388), (16, 5082291), (18, 4517592), (19, 4279824), (24, 3388194), (27, 3011728), (36, 2258796), (38, 2139912), (48, 1694097), (54, 1505864), (57, 1426608), (72, 1129398), (76, 1069956), (108, 752932), (114, 713304), (144, 564699), (152, 534978), (171, 475536), (216, 376466), (228, 356652), (304, 267489), (342, 237768), (432, 188233), (456, 178326), (513, 158512), (684, 118884), (912, 89163), (1026, 79256), (1368, 59442), (2052, 39628), (2736, 29721), (4104, 19814), (8208, 9907)]