9989640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{27749}}^1$

素因数の和:27766

約数の個数: 48

約数和(自身を含む): 32467500

約数和(自身を除く): 22477860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 27749, 55498, 83247, 110996, 138745, 166494, 221992, 249741, 277490, 332988, 416235, 499482, 554980, 665976, 832470, 998964, 1109960, 1248705, 1664940, 1997928, 2497410, 3329880, 4994820, 9989640]

約数ペア:

[(1, 9989640), (2, 4994820), (3, 3329880), (4, 2497410), (5, 1997928), (6, 1664940), (8, 1248705), (9, 1109960), (10, 998964), (12, 832470), (15, 665976), (18, 554980), (20, 499482), (24, 416235), (30, 332988), (36, 277490), (40, 249741), (45, 221992), (60, 166494), (72, 138745), (90, 110996), (120, 83247), (180, 55498), (360, 27749)]