80680905

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 146824704

約数和(自身を除く): 66143799

約数列:

[1, 3, 5, 9, 15, 37, 45, 47, 111, 141, 185, 235, 333, 423, 555, 705, 1031, 1665, 1739, 2115, 3093, 5155, 5217, 8695, 9279, 15465, 15651, 26085, 38147, 46395, 48457, 78255, 114441, 145371, 190735, 242285, 343323, 436113, 572205, 726855, 1716615, 1792909, 2180565, 5378727, 8964545, 16136181, 26893635, 80680905]

約数ペア:

[(1, 80680905), (3, 26893635), (5, 16136181), (9, 8964545), (15, 5378727), (37, 2180565), (45, 1792909), (47, 1716615), (111, 726855), (141, 572205), (185, 436113), (235, 343323), (333, 242285), (423, 190735), (555, 145371), (705, 114441), (1031, 78255), (1665, 48457), (1739, 46395), (2115, 38147), (3093, 26085), (5155, 15651), (5217, 15465), (8695, 9279)]