80393220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15401}}^1$

素因数の和:15445

約数の個数: 72

約数和(自身を含む): 252284760

約数和(自身を除く): 171891540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15401, 30802, 46203, 61604, 77005, 92406, 138609, 154010, 184812, 231015, 277218, 308020, 446629, 462030, 554436, 693045, 893258, 924060, 1339887, 1386090, 1786516, 2233145, 2679774, 2772180, 4019661, 4466290, 5359548, 6699435, 8039322, 8932580, 13398870, 16078644, 20098305, 26797740, 40196610, 80393220]

約数ペア:

[(1, 80393220), (2, 40196610), (3, 26797740), (4, 20098305), (5, 16078644), (6, 13398870), (9, 8932580), (10, 8039322), (12, 6699435), (15, 5359548), (18, 4466290), (20, 4019661), (29, 2772180), (30, 2679774), (36, 2233145), (45, 1786516), (58, 1386090), (60, 1339887), (87, 924060), (90, 893258), (116, 693045), (145, 554436), (174, 462030), (180, 446629), (261, 308020), (290, 277218), (348, 231015), (435, 184812), (522, 154010), (580, 138609), (870, 92406), (1044, 77005), (1305, 61604), (1740, 46203), (2610, 30802), (5220, 15401)]