1268376420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{26861}}^1$

素因数の和:27660

約数の個数: 48

約数和(自身を含む): 3556099008

約数和(自身を除く): 2287722588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 787, 1574, 2361, 3148, 3935, 4722, 7870, 9444, 11805, 15740, 23610, 26861, 47220, 53722, 80583, 107444, 134305, 161166, 268610, 322332, 402915, 537220, 805830, 1611660, 21139607, 42279214, 63418821, 84558428, 105698035, 126837642, 211396070, 253675284, 317094105, 422792140, 634188210, 1268376420]

約数ペア:

[(1, 1268376420), (2, 634188210), (3, 422792140), (4, 317094105), (5, 253675284), (6, 211396070), (10, 126837642), (12, 105698035), (15, 84558428), (20, 63418821), (30, 42279214), (60, 21139607), (787, 1611660), (1574, 805830), (2361, 537220), (3148, 402915), (3935, 322332), (4722, 268610), (7870, 161166), (9444, 134305), (11805, 107444), (15740, 80583), (23610, 53722), (26861, 47220)]