2137980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 6449184

約数和(自身を除く): 4311204

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, 2741, 5482, 8223, 10964, 13705, 16446, 27410, 32892, 35633, 41115, 54820, 71266, 82230, 106899, 142532, 164460, 178165, 213798, 356330, 427596, 534495, 712660, 1068990, 2137980]

約数ペア:

[(1, 2137980), (2, 1068990), (3, 712660), (4, 534495), (5, 427596), (6, 356330), (10, 213798), (12, 178165), (13, 164460), (15, 142532), (20, 106899), (26, 82230), (30, 71266), (39, 54820), (52, 41115), (60, 35633), (65, 32892), (78, 27410), (130, 16446), (156, 13705), (195, 10964), (260, 8223), (390, 5482), (780, 2741)]