645082480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1151933}}^1$

素因数の和:1151953

約数の個数: 40

約数和(自身を含む): 1714077792

約数和(自身を除く): 1068995312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1151933, 2303866, 4607732, 5759665, 8063531, 9215464, 11519330, 16127062, 18430928, 23038660, 32254124, 40317655, 46077320, 64508248, 80635310, 92154640, 129016496, 161270620, 322541240, 645082480]

約数ペア:

[(1, 645082480), (2, 322541240), (4, 161270620), (5, 129016496), (7, 92154640), (8, 80635310), (10, 64508248), (14, 46077320), (16, 40317655), (20, 32254124), (28, 23038660), (35, 18430928), (40, 16127062), (56, 11519330), (70, 9215464), (80, 8063531), (112, 5759665), (140, 4607732), (280, 2303866), (560, 1151933)]