81631704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 256942080

約数和(自身を除く): 175310376

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 163, 168, 231, 264, 271, 308, 326, 462, 489, 542, 616, 652, 813, 924, 978, 1084, 1141, 1304, 1626, 1793, 1848, 1897, 1956, 2168, 2282, 2981, 3252, 3423, 3586, 3794, 3912, 4564, 5379, 5691, 5962, 6504, 6846, 7172, 7588, 8943, 9128, 10758, 11382, 11924, 12551, 13692, 14344, 15176, 17886, 20867, 21516, 22764, 23848, 25102, 27384, 35772, 37653, 41734, 43032, 44173, 45528, 50204, 62601, 71544, 75306, 83468, 88346, 100408, 125202, 132519, 150612, 166936, 176692, 250404, 265038, 301224, 309211, 353384, 485903, 500808, 530076, 618422, 927633, 971806, 1060152, 1236844, 1457709, 1855266, 1943612, 2473688, 2915418, 3401321, 3710532, 3887224, 5830836, 6802642, 7421064, 10203963, 11661672, 13605284, 20407926, 27210568, 40815852, 81631704]

約数ペア:

[(1, 81631704), (2, 40815852), (3, 27210568), (4, 20407926), (6, 13605284), (7, 11661672), (8, 10203963), (11, 7421064), (12, 6802642), (14, 5830836), (21, 3887224), (22, 3710532), (24, 3401321), (28, 2915418), (33, 2473688), (42, 1943612), (44, 1855266), (56, 1457709), (66, 1236844), (77, 1060152), (84, 971806), (88, 927633), (132, 618422), (154, 530076), (163, 500808), (168, 485903), (231, 353384), (264, 309211), (271, 301224), (308, 265038), (326, 250404), (462, 176692), (489, 166936), (542, 150612), (616, 132519), (652, 125202), (813, 100408), (924, 88346), (978, 83468), (1084, 75306), (1141, 71544), (1304, 62601), (1626, 50204), (1793, 45528), (1848, 44173), (1897, 43032), (1956, 41734), (2168, 37653), (2282, 35772), (2981, 27384), (3252, 25102), (3423, 23848), (3586, 22764), (3794, 21516), (3912, 20867), (4564, 17886), (5379, 15176), (5691, 14344), (5962, 13692), (6504, 12551), (6846, 11924), (7172, 11382), (7588, 10758), (8943, 9128)]