78421280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70019}}^1$

素因数の和:70041

約数の個数: 48

約数和(自身を含む): 211740480

約数和(自身を除く): 133319200

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, 70019, 140038, 280076, 350095, 490133, 560152, 700190, 980266, 1120304, 1400380, 1960532, 2240608, 2450665, 2800760, 3921064, 4901330, 5601520, 7842128, 9802660, 11203040, 15684256, 19605320, 39210640, 78421280]

約数ペア:

[(1, 78421280), (2, 39210640), (4, 19605320), (5, 15684256), (7, 11203040), (8, 9802660), (10, 7842128), (14, 5601520), (16, 4901330), (20, 3921064), (28, 2800760), (32, 2450665), (35, 2240608), (40, 1960532), (56, 1400380), (70, 1120304), (80, 980266), (112, 700190), (140, 560152), (160, 490133), (224, 350095), (280, 280076), (560, 140038), (1120, 70019)]