66178580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 158336640

約数和(自身を除く): 92158060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 67, 116, 130, 131, 134, 145, 260, 262, 268, 290, 335, 377, 524, 580, 655, 670, 754, 871, 1310, 1340, 1508, 1703, 1742, 1885, 1943, 2620, 3406, 3484, 3770, 3799, 3886, 4355, 6812, 7540, 7598, 7772, 8515, 8710, 8777, 9715, 15196, 17030, 17420, 17554, 18995, 19430, 25259, 34060, 35108, 37990, 38860, 43885, 49387, 50518, 75980, 87770, 98774, 101036, 114101, 126295, 175540, 197548, 228202, 246935, 252590, 254533, 456404, 493870, 505180, 509066, 570505, 987740, 1018132, 1141010, 1272665, 2282020, 2545330, 3308929, 5090660, 6617858, 13235716, 16544645, 33089290, 66178580]

約数ペア:

[(1, 66178580), (2, 33089290), (4, 16544645), (5, 13235716), (10, 6617858), (13, 5090660), (20, 3308929), (26, 2545330), (29, 2282020), (52, 1272665), (58, 1141010), (65, 1018132), (67, 987740), (116, 570505), (130, 509066), (131, 505180), (134, 493870), (145, 456404), (260, 254533), (262, 252590), (268, 246935), (290, 228202), (335, 197548), (377, 175540), (524, 126295), (580, 114101), (655, 101036), (670, 98774), (754, 87770), (871, 75980), (1310, 50518), (1340, 49387), (1508, 43885), (1703, 38860), (1742, 37990), (1885, 35108), (1943, 34060), (2620, 25259), (3406, 19430), (3484, 18995), (3770, 17554), (3799, 17420), (3886, 17030), (4355, 15196), (6812, 9715), (7540, 8777), (7598, 8710), (7772, 8515)]