7265960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 17917200

約数和(自身を除く): 10651240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 157, 178, 260, 314, 356, 445, 520, 628, 712, 785, 890, 1157, 1256, 1570, 1780, 2041, 2314, 3140, 3560, 4082, 4628, 5785, 6280, 8164, 9256, 10205, 11570, 13973, 16328, 20410, 23140, 27946, 40820, 46280, 55892, 69865, 81640, 111784, 139730, 181649, 279460, 363298, 558920, 726596, 908245, 1453192, 1816490, 3632980, 7265960]

約数ペア:

[(1, 7265960), (2, 3632980), (4, 1816490), (5, 1453192), (8, 908245), (10, 726596), (13, 558920), (20, 363298), (26, 279460), (40, 181649), (52, 139730), (65, 111784), (89, 81640), (104, 69865), (130, 55892), (157, 46280), (178, 40820), (260, 27946), (314, 23140), (356, 20410), (445, 16328), (520, 13973), (628, 11570), (712, 10205), (785, 9256), (890, 8164), (1157, 6280), (1256, 5785), (1570, 4628), (1780, 4082), (2041, 3560), (2314, 3140)]