76921040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137359}}^1$

素因数の和:137379

約数の個数: 40

約数和(自身を含む): 204391680

約数和(自身を除く): 127470640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 137359, 274718, 549436, 686795, 961513, 1098872, 1373590, 1923026, 2197744, 2747180, 3846052, 4807565, 5494360, 7692104, 9615130, 10988720, 15384208, 19230260, 38460520, 76921040]

約数ペア:

[(1, 76921040), (2, 38460520), (4, 19230260), (5, 15384208), (7, 10988720), (8, 9615130), (10, 7692104), (14, 5494360), (16, 4807565), (20, 3846052), (28, 2747180), (35, 2197744), (40, 1923026), (56, 1373590), (70, 1098872), (80, 961513), (112, 686795), (140, 549436), (280, 274718), (560, 137359)]