128051080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2791}}^1$

素因数の和:2870

約数の個数: 64

約数和(自身を含む): 305556480

約数和(自身を除く): 177505400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 2791, 4588, 5582, 5735, 9176, 11164, 11470, 13955, 22328, 22940, 27910, 45880, 55820, 86521, 103267, 111640, 173042, 206534, 346084, 413068, 432605, 516335, 692168, 826136, 865210, 1032670, 1730420, 2065340, 3201277, 3460840, 4130680, 6402554, 12805108, 16006385, 25610216, 32012770, 64025540, 128051080]

約数ペア:

[(1, 128051080), (2, 64025540), (4, 32012770), (5, 25610216), (8, 16006385), (10, 12805108), (20, 6402554), (31, 4130680), (37, 3460840), (40, 3201277), (62, 2065340), (74, 1730420), (124, 1032670), (148, 865210), (155, 826136), (185, 692168), (248, 516335), (296, 432605), (310, 413068), (370, 346084), (620, 206534), (740, 173042), (1147, 111640), (1240, 103267), (1480, 86521), (2294, 55820), (2791, 45880), (4588, 27910), (5582, 22940), (5735, 22328), (9176, 13955), (11164, 11470)]