78287904

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 241950240

約数和(自身を除く): 163662336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 251, 288, 304, 342, 361, 432, 456, 502, 513, 608, 684, 722, 753, 864, 912, 1004, 1026, 1083, 1368, 1444, 1506, 1824, 2008, 2052, 2166, 2259, 2736, 2888, 3012, 3249, 4016, 4104, 4332, 4518, 4769, 5472, 5776, 6024, 6498, 6777, 8032, 8208, 8664, 9036, 9538, 9747, 11552, 12048, 12996, 13554, 14307, 16416, 17328, 18072, 19076, 19494, 24096, 25992, 27108, 28614, 34656, 36144, 38152, 38988, 42921, 51984, 54216, 57228, 72288, 76304, 77976, 85842, 90611, 103968, 108432, 114456, 128763, 152608, 155952, 171684, 181222, 216864, 228912, 257526, 271833, 311904, 343368, 362444, 457824, 515052, 543666, 686736, 724888, 815499, 1030104, 1087332, 1373472, 1449776, 1630998, 2060208, 2174664, 2446497, 2899552, 3261996, 4120416, 4349328, 4892994, 6523992, 8698656, 9785988, 13047984, 19571976, 26095968, 39143952, 78287904]

約数ペア:

[(1, 78287904), (2, 39143952), (3, 26095968), (4, 19571976), (6, 13047984), (8, 9785988), (9, 8698656), (12, 6523992), (16, 4892994), (18, 4349328), (19, 4120416), (24, 3261996), (27, 2899552), (32, 2446497), (36, 2174664), (38, 2060208), (48, 1630998), (54, 1449776), (57, 1373472), (72, 1087332), (76, 1030104), (96, 815499), (108, 724888), (114, 686736), (144, 543666), (152, 515052), (171, 457824), (216, 362444), (228, 343368), (251, 311904), (288, 271833), (304, 257526), (342, 228912), (361, 216864), (432, 181222), (456, 171684), (502, 155952), (513, 152608), (608, 128763), (684, 114456), (722, 108432), (753, 103968), (864, 90611), (912, 85842), (1004, 77976), (1026, 76304), (1083, 72288), (1368, 57228), (1444, 54216), (1506, 51984), (1824, 42921), (2008, 38988), (2052, 38152), (2166, 36144), (2259, 34656), (2736, 28614), (2888, 27108), (3012, 25992), (3249, 24096), (4016, 19494), (4104, 19076), (4332, 18072), (4518, 17328), (4769, 16416), (5472, 14307), (5776, 13554), (6024, 12996), (6498, 12048), (6777, 11552), (8032, 9747), (8208, 9538), (8664, 9036)]