2755740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3533}}^1$

素因数の和:3558

約数の個数: 48

約数和(自身を含む): 8311968

約数和(自身を除く): 5556228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3533, 7066, 10599, 14132, 17665, 21198, 35330, 42396, 45929, 52995, 70660, 91858, 105990, 137787, 183716, 211980, 229645, 275574, 459290, 551148, 688935, 918580, 1377870, 2755740]

約数ペア:

[(1, 2755740), (2, 1377870), (3, 918580), (4, 688935), (5, 551148), (6, 459290), (10, 275574), (12, 229645), (13, 211980), (15, 183716), (20, 137787), (26, 105990), (30, 91858), (39, 70660), (52, 52995), (60, 45929), (65, 42396), (78, 35330), (130, 21198), (156, 17665), (195, 14132), (260, 10599), (390, 7066), (780, 3533)]