2722980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3491}}^1$

素因数の和:3516

約数の個数: 48

約数和(自身を含む): 8213184

約数和(自身を除く): 5490204

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, 3491, 6982, 10473, 13964, 17455, 20946, 34910, 41892, 45383, 52365, 69820, 90766, 104730, 136149, 181532, 209460, 226915, 272298, 453830, 544596, 680745, 907660, 1361490, 2722980]

約数ペア:

[(1, 2722980), (2, 1361490), (3, 907660), (4, 680745), (5, 544596), (6, 453830), (10, 272298), (12, 226915), (13, 209460), (15, 181532), (20, 136149), (26, 104730), (30, 90766), (39, 69820), (52, 52365), (60, 45383), (65, 41892), (78, 34910), (130, 20946), (156, 17455), (195, 13964), (260, 10473), (390, 6982), (780, 3491)]