12899320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 34629120

約数和(自身を除く): 21729800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2003, 3220, 4006, 6440, 8012, 10015, 14021, 16024, 20030, 28042, 40060, 46069, 56084, 70105, 80120, 92138, 112168, 140210, 184276, 230345, 280420, 322483, 368552, 460690, 560840, 644966, 921380, 1289932, 1612415, 1842760, 2579864, 3224830, 6449660, 12899320]

約数ペア:

[(1, 12899320), (2, 6449660), (4, 3224830), (5, 2579864), (7, 1842760), (8, 1612415), (10, 1289932), (14, 921380), (20, 644966), (23, 560840), (28, 460690), (35, 368552), (40, 322483), (46, 280420), (56, 230345), (70, 184276), (92, 140210), (115, 112168), (140, 92138), (161, 80120), (184, 70105), (230, 56084), (280, 46069), (322, 40060), (460, 28042), (644, 20030), (805, 16024), (920, 14021), (1288, 10015), (1610, 8012), (2003, 6440), (3220, 4006)]