278760

素因数分解:

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

素因数の和:138

約数の個数: 64

約数和(自身を含む): 881280

約数和(自身を除く): 602520

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, 1010, 1212, 1380, 1515, 2020, 2323, 2424, 2760, 3030, 4040, 4646, 6060, 6969, 9292, 11615, 12120, 13938, 18584, 23230, 27876, 34845, 46460, 55752, 69690, 92920, 139380, 278760]

約数ペア:

[(1, 278760), (2, 139380), (3, 92920), (4, 69690), (5, 55752), (6, 46460), (8, 34845), (10, 27876), (12, 23230), (15, 18584), (20, 13938), (23, 12120), (24, 11615), (30, 9292), (40, 6969), (46, 6060), (60, 4646), (69, 4040), (92, 3030), (101, 2760), (115, 2424), (120, 2323), (138, 2020), (184, 1515), (202, 1380), (230, 1212), (276, 1010), (303, 920), (345, 808), (404, 690), (460, 606), (505, 552)]