3998640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{16661}}^1$

素因数の和:16677

約数の個数: 40

約数和(自身を含む): 12396528

約数和(自身を除く): 8397888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 16661, 33322, 49983, 66644, 83305, 99966, 133288, 166610, 199932, 249915, 266576, 333220, 399864, 499830, 666440, 799728, 999660, 1332880, 1999320, 3998640]

約数ペア:

[(1, 3998640), (2, 1999320), (3, 1332880), (4, 999660), (5, 799728), (6, 666440), (8, 499830), (10, 399864), (12, 333220), (15, 266576), (16, 249915), (20, 199932), (24, 166610), (30, 133288), (40, 99966), (48, 83305), (60, 66644), (80, 49983), (120, 33322), (240, 16661)]