2585820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 7354368

約数和(自身を除く): 4768548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 607, 710, 852, 1065, 1214, 1420, 1821, 2130, 2428, 3035, 3642, 4260, 6070, 7284, 9105, 12140, 18210, 36420, 43097, 86194, 129291, 172388, 215485, 258582, 430970, 517164, 646455, 861940, 1292910, 2585820]

約数ペア:

[(1, 2585820), (2, 1292910), (3, 861940), (4, 646455), (5, 517164), (6, 430970), (10, 258582), (12, 215485), (15, 172388), (20, 129291), (30, 86194), (60, 43097), (71, 36420), (142, 18210), (213, 12140), (284, 9105), (355, 7284), (426, 6070), (607, 4260), (710, 3642), (852, 3035), (1065, 2428), (1214, 2130), (1420, 1821)]