1255145840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18013}}^1$

素因数の和:18106

約数の個数: 80

約数和(自身を含む): 3189775008

約数和(自身を除く): 1934629168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2680, 3484, 4355, 5360, 6968, 8710, 13936, 17420, 18013, 34840, 36026, 69680, 72052, 90065, 144104, 180130, 234169, 288208, 360260, 468338, 720520, 936676, 1170845, 1206871, 1441040, 1873352, 2341690, 2413742, 3746704, 4683380, 4827484, 6034355, 9366760, 9654968, 12068710, 15689323, 18733520, 19309936, 24137420, 31378646, 48274840, 62757292, 78446615, 96549680, 125514584, 156893230, 251029168, 313786460, 627572920, 1255145840]

約数ペア:

[(1, 1255145840), (2, 627572920), (4, 313786460), (5, 251029168), (8, 156893230), (10, 125514584), (13, 96549680), (16, 78446615), (20, 62757292), (26, 48274840), (40, 31378646), (52, 24137420), (65, 19309936), (67, 18733520), (80, 15689323), (104, 12068710), (130, 9654968), (134, 9366760), (208, 6034355), (260, 4827484), (268, 4683380), (335, 3746704), (520, 2413742), (536, 2341690), (670, 1873352), (871, 1441040), (1040, 1206871), (1072, 1170845), (1340, 936676), (1742, 720520), (2680, 468338), (3484, 360260), (4355, 288208), (5360, 234169), (6968, 180130), (8710, 144104), (13936, 90065), (17420, 72052), (18013, 69680), (34840, 36026)]