178844796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20113}}^1$

素因数の和:20155

約数の個数: 72

約数和(自身を含む): 512504720

約数和(自身を除く): 333659924

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 20113, 40226, 60339, 80452, 120678, 181017, 241356, 261469, 362034, 382147, 522938, 724068, 764294, 784407, 1045876, 1146441, 1528588, 1568814, 2292882, 2353221, 3137628, 3439323, 4585764, 4706442, 4967911, 6878646, 9412884, 9935822, 13757292, 14903733, 19871644, 29807466, 44711199, 59614932, 89422398, 178844796]

約数ペア:

[(1, 178844796), (2, 89422398), (3, 59614932), (4, 44711199), (6, 29807466), (9, 19871644), (12, 14903733), (13, 13757292), (18, 9935822), (19, 9412884), (26, 6878646), (36, 4967911), (38, 4706442), (39, 4585764), (52, 3439323), (57, 3137628), (76, 2353221), (78, 2292882), (114, 1568814), (117, 1528588), (156, 1146441), (171, 1045876), (228, 784407), (234, 764294), (247, 724068), (342, 522938), (468, 382147), (494, 362034), (684, 261469), (741, 241356), (988, 181017), (1482, 120678), (2223, 80452), (2964, 60339), (4446, 40226), (8892, 20113)]