31387920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{130783}}^1$

素因数の和:130799

約数の個数: 40

約数和(自身を含む): 97303296

約数和(自身を除く): 65915376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 130783, 261566, 392349, 523132, 653915, 784698, 1046264, 1307830, 1569396, 1961745, 2092528, 2615660, 3138792, 3923490, 5231320, 6277584, 7846980, 10462640, 15693960, 31387920]

約数ペア:

[(1, 31387920), (2, 15693960), (3, 10462640), (4, 7846980), (5, 6277584), (6, 5231320), (8, 3923490), (10, 3138792), (12, 2615660), (15, 2092528), (16, 1961745), (20, 1569396), (24, 1307830), (30, 1046264), (40, 784698), (48, 653915), (60, 523132), (80, 392349), (120, 261566), (240, 130783)]