87011680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{77689}}^1$

素因数の和:77711

約数の個数: 48

約数和(自身を含む): 234934560

約数和(自身を除く): 147922880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 77689, 155378, 310756, 388445, 543823, 621512, 776890, 1087646, 1243024, 1553780, 2175292, 2486048, 2719115, 3107560, 4350584, 5438230, 6215120, 8701168, 10876460, 12430240, 17402336, 21752920, 43505840, 87011680]

約数ペア:

[(1, 87011680), (2, 43505840), (4, 21752920), (5, 17402336), (7, 12430240), (8, 10876460), (10, 8701168), (14, 6215120), (16, 5438230), (20, 4350584), (28, 3107560), (32, 2719115), (35, 2486048), (40, 2175292), (56, 1553780), (70, 1243024), (80, 1087646), (112, 776890), (140, 621512), (160, 543823), (224, 388445), (280, 310756), (560, 155378), (1120, 77689)]