66899560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18379}}^1$

素因数の和:18410

約数の個数: 64

約数和(自身を含む): 185270400

約数和(自身を除く): 118370840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18379, 36758, 73516, 91895, 128653, 147032, 183790, 238927, 257306, 367580, 477854, 514612, 643265, 735160, 955708, 1029224, 1194635, 1286530, 1672489, 1911416, 2389270, 2573060, 3344978, 4778540, 5146120, 6689956, 8362445, 9557080, 13379912, 16724890, 33449780, 66899560]

約数ペア:

[(1, 66899560), (2, 33449780), (4, 16724890), (5, 13379912), (7, 9557080), (8, 8362445), (10, 6689956), (13, 5146120), (14, 4778540), (20, 3344978), (26, 2573060), (28, 2389270), (35, 1911416), (40, 1672489), (52, 1286530), (56, 1194635), (65, 1029224), (70, 955708), (91, 735160), (104, 643265), (130, 514612), (140, 477854), (182, 367580), (260, 257306), (280, 238927), (364, 183790), (455, 147032), (520, 128653), (728, 91895), (910, 73516), (1820, 36758), (3640, 18379)]