79972680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{666439}}^1$

素因数の和:666453

約数の個数: 32

約数和(自身を含む): 239918400

約数和(自身を除く): 159945720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 666439, 1332878, 1999317, 2665756, 3332195, 3998634, 5331512, 6664390, 7997268, 9996585, 13328780, 15994536, 19993170, 26657560, 39986340, 79972680]

約数ペア:

[(1, 79972680), (2, 39986340), (3, 26657560), (4, 19993170), (5, 15994536), (6, 13328780), (8, 9996585), (10, 7997268), (12, 6664390), (15, 5331512), (20, 3998634), (24, 3332195), (30, 2665756), (40, 1999317), (60, 1332878), (120, 666439)]