81471660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4423}}^1$

素因数の和:4742

約数の個数: 48

約数和(自身を含む): 228915456

約数和(自身を除く): 147443796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1842, 3070, 3684, 4423, 4605, 6140, 8846, 9210, 13269, 17692, 18420, 22115, 26538, 44230, 53076, 66345, 88460, 132690, 265380, 1357861, 2715722, 4073583, 5431444, 6789305, 8147166, 13578610, 16294332, 20367915, 27157220, 40735830, 81471660]

約数ペア:

[(1, 81471660), (2, 40735830), (3, 27157220), (4, 20367915), (5, 16294332), (6, 13578610), (10, 8147166), (12, 6789305), (15, 5431444), (20, 4073583), (30, 2715722), (60, 1357861), (307, 265380), (614, 132690), (921, 88460), (1228, 66345), (1535, 53076), (1842, 44230), (3070, 26538), (3684, 22115), (4423, 18420), (4605, 17692), (6140, 13269), (8846, 9210)]