54281640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{64621}}^1$

素因数の和:64642

約数の個数: 64

約数和(自身を含む): 186111360

約数和(自身を除く): 131829720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 64621, 129242, 193863, 258484, 323105, 387726, 452347, 516968, 646210, 775452, 904694, 969315, 1292420, 1357041, 1550904, 1809388, 1938630, 2261735, 2584840, 2714082, 3618776, 3877260, 4523470, 5428164, 6785205, 7754520, 9046940, 10856328, 13570410, 18093880, 27140820, 54281640]

約数ペア:

[(1, 54281640), (2, 27140820), (3, 18093880), (4, 13570410), (5, 10856328), (6, 9046940), (7, 7754520), (8, 6785205), (10, 5428164), (12, 4523470), (14, 3877260), (15, 3618776), (20, 2714082), (21, 2584840), (24, 2261735), (28, 1938630), (30, 1809388), (35, 1550904), (40, 1357041), (42, 1292420), (56, 969315), (60, 904694), (70, 775452), (84, 646210), (105, 516968), (120, 452347), (140, 387726), (168, 323105), (210, 258484), (280, 193863), (420, 129242), (840, 64621)]