12327980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 29816640

約数和(自身を除く): 17488660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 509, 692, 865, 1018, 1211, 1730, 2036, 2422, 2545, 3460, 3563, 4844, 5090, 6055, 7126, 10180, 12110, 14252, 17815, 24220, 35630, 71260, 88057, 176114, 352228, 440285, 616399, 880570, 1232798, 1761140, 2465596, 3081995, 6163990, 12327980]

約数ペア:

[(1, 12327980), (2, 6163990), (4, 3081995), (5, 2465596), (7, 1761140), (10, 1232798), (14, 880570), (20, 616399), (28, 440285), (35, 352228), (70, 176114), (140, 88057), (173, 71260), (346, 35630), (509, 24220), (692, 17815), (865, 14252), (1018, 12110), (1211, 10180), (1730, 7126), (2036, 6055), (2422, 5090), (2545, 4844), (3460, 3563)]