28409880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{236749}}^1$

素因数の和:236763

約数の個数: 32

約数和(自身を含む): 85230000

約数和(自身を除く): 56820120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 236749, 473498, 710247, 946996, 1183745, 1420494, 1893992, 2367490, 2840988, 3551235, 4734980, 5681976, 7102470, 9469960, 14204940, 28409880]

約数ペア:

[(1, 28409880), (2, 14204940), (3, 9469960), (4, 7102470), (5, 5681976), (6, 4734980), (8, 3551235), (10, 2840988), (12, 2367490), (15, 1893992), (20, 1420494), (24, 1183745), (30, 946996), (40, 710247), (60, 473498), (120, 236749)]