31210860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{911}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 87639552

約数和(自身を除く): 56428692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 571, 911, 1142, 1713, 1822, 2284, 2733, 2855, 3426, 3644, 4555, 5466, 5710, 6852, 8565, 9110, 10932, 11420, 13665, 17130, 18220, 27330, 34260, 54660, 520181, 1040362, 1560543, 2080724, 2600905, 3121086, 5201810, 6242172, 7802715, 10403620, 15605430, 31210860]

約数ペア:

[(1, 31210860), (2, 15605430), (3, 10403620), (4, 7802715), (5, 6242172), (6, 5201810), (10, 3121086), (12, 2600905), (15, 2080724), (20, 1560543), (30, 1040362), (60, 520181), (571, 54660), (911, 34260), (1142, 27330), (1713, 18220), (1822, 17130), (2284, 13665), (2733, 11420), (2855, 10932), (3426, 9110), (3644, 8565), (4555, 6852), (5466, 5710)]