81333072

素因数分解:

$2^4\times 3^6\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 140

約数和(自身を含む): 249378880

約数和(自身を除く): 168045808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 367, 432, 456, 486, 513, 648, 684, 729, 734, 912, 972, 1026, 1101, 1296, 1368, 1458, 1468, 1539, 1944, 2052, 2202, 2736, 2916, 2936, 3078, 3303, 3888, 4104, 4404, 4617, 5832, 5872, 6156, 6606, 6973, 8208, 8808, 9234, 9909, 11664, 12312, 13212, 13851, 13946, 17616, 18468, 19818, 20919, 24624, 26424, 27702, 27892, 29727, 36936, 39636, 41838, 52848, 55404, 55784, 59454, 62757, 73872, 79272, 83676, 89181, 110808, 111568, 118908, 125514, 158544, 167352, 178362, 188271, 221616, 237816, 251028, 267543, 334704, 356724, 376542, 475632, 502056, 535086, 564813, 713448, 753084, 1004112, 1070172, 1129626, 1426896, 1506168, 1694439, 2140344, 2259252, 3012336, 3388878, 4280688, 4518504, 5083317, 6777756, 9037008, 10166634, 13555512, 20333268, 27111024, 40666536, 81333072]

約数ペア:

[(1, 81333072), (2, 40666536), (3, 27111024), (4, 20333268), (6, 13555512), (8, 10166634), (9, 9037008), (12, 6777756), (16, 5083317), (18, 4518504), (19, 4280688), (24, 3388878), (27, 3012336), (36, 2259252), (38, 2140344), (48, 1694439), (54, 1506168), (57, 1426896), (72, 1129626), (76, 1070172), (81, 1004112), (108, 753084), (114, 713448), (144, 564813), (152, 535086), (162, 502056), (171, 475632), (216, 376542), (228, 356724), (243, 334704), (304, 267543), (324, 251028), (342, 237816), (367, 221616), (432, 188271), (456, 178362), (486, 167352), (513, 158544), (648, 125514), (684, 118908), (729, 111568), (734, 110808), (912, 89181), (972, 83676), (1026, 79272), (1101, 73872), (1296, 62757), (1368, 59454), (1458, 55784), (1468, 55404), (1539, 52848), (1944, 41838), (2052, 39636), (2202, 36936), (2736, 29727), (2916, 27892), (2936, 27702), (3078, 26424), (3303, 24624), (3888, 20919), (4104, 19818), (4404, 18468), (4617, 17616), (5832, 13946), (5872, 13851), (6156, 13212), (6606, 12312), (6973, 11664), (8208, 9909), (8808, 9234)]