87836560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1568

約数の個数: 80

約数和(自身を含む): 235699200

約数和(自身を除く): 147862640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1439, 1526, 1744, 2180, 2878, 3052, 3815, 4360, 5756, 6104, 7195, 7630, 8720, 10073, 11512, 12208, 14390, 15260, 20146, 23024, 28780, 30520, 40292, 50365, 57560, 61040, 80584, 100730, 115120, 156851, 161168, 201460, 313702, 402920, 627404, 784255, 805840, 1097957, 1254808, 1568510, 2195914, 2509616, 3137020, 4391828, 5489785, 6274040, 8783656, 10979570, 12548080, 17567312, 21959140, 43918280, 87836560]

約数ペア:

[(1, 87836560), (2, 43918280), (4, 21959140), (5, 17567312), (7, 12548080), (8, 10979570), (10, 8783656), (14, 6274040), (16, 5489785), (20, 4391828), (28, 3137020), (35, 2509616), (40, 2195914), (56, 1568510), (70, 1254808), (80, 1097957), (109, 805840), (112, 784255), (140, 627404), (218, 402920), (280, 313702), (436, 201460), (545, 161168), (560, 156851), (763, 115120), (872, 100730), (1090, 80584), (1439, 61040), (1526, 57560), (1744, 50365), (2180, 40292), (2878, 30520), (3052, 28780), (3815, 23024), (4360, 20146), (5756, 15260), (6104, 14390), (7195, 12208), (7630, 11512), (8720, 10073)]