281268840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1147

約数の個数: 128

約数和(自身を含む): 890092800

約数和(自身を除く): 608823960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 101, 115, 120, 138, 184, 202, 230, 276, 303, 345, 404, 460, 505, 552, 606, 690, 808, 920, 1009, 1010, 1212, 1380, 1515, 2018, 2020, 2323, 2424, 2760, 3027, 3030, 4036, 4040, 4646, 5045, 6054, 6060, 6969, 8072, 9292, 10090, 11615, 12108, 12120, 13938, 15135, 18584, 20180, 23207, 23230, 24216, 27876, 30270, 34845, 40360, 46414, 46460, 55752, 60540, 69621, 69690, 92828, 92920, 101909, 116035, 121080, 139242, 139380, 185656, 203818, 232070, 278484, 278760, 305727, 348105, 407636, 464140, 509545, 556968, 611454, 696210, 815272, 928280, 1019090, 1222908, 1392420, 1528635, 2038180, 2343907, 2445816, 2784840, 3057270, 4076360, 4687814, 6114540, 7031721, 9375628, 11719535, 12229080, 14063442, 18751256, 23439070, 28126884, 35158605, 46878140, 56253768, 70317210, 93756280, 140634420, 281268840]

約数ペア:

[(1, 281268840), (2, 140634420), (3, 93756280), (4, 70317210), (5, 56253768), (6, 46878140), (8, 35158605), (10, 28126884), (12, 23439070), (15, 18751256), (20, 14063442), (23, 12229080), (24, 11719535), (30, 9375628), (40, 7031721), (46, 6114540), (60, 4687814), (69, 4076360), (92, 3057270), (101, 2784840), (115, 2445816), (120, 2343907), (138, 2038180), (184, 1528635), (202, 1392420), (230, 1222908), (276, 1019090), (303, 928280), (345, 815272), (404, 696210), (460, 611454), (505, 556968), (552, 509545), (606, 464140), (690, 407636), (808, 348105), (920, 305727), (1009, 278760), (1010, 278484), (1212, 232070), (1380, 203818), (1515, 185656), (2018, 139380), (2020, 139242), (2323, 121080), (2424, 116035), (2760, 101909), (3027, 92920), (3030, 92828), (4036, 69690), (4040, 69621), (4646, 60540), (5045, 55752), (6054, 46460), (6060, 46414), (6969, 40360), (8072, 34845), (9292, 30270), (10090, 27876), (11615, 24216), (12108, 23230), (12120, 23207), (13938, 20180), (15135, 18584)]