28738680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239489}}^1$

素因数の和:239503

約数の個数: 32

約数和(自身を含む): 86216400

約数和(自身を除く): 57477720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239489, 478978, 718467, 957956, 1197445, 1436934, 1915912, 2394890, 2873868, 3592335, 4789780, 5747736, 7184670, 9579560, 14369340, 28738680]

約数ペア:

[(1, 28738680), (2, 14369340), (3, 9579560), (4, 7184670), (5, 5747736), (6, 4789780), (8, 3592335), (10, 2873868), (12, 2394890), (15, 1915912), (20, 1436934), (24, 1197445), (30, 957956), (40, 718467), (60, 478978), (120, 239489)]