69317720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 161187840

約数和(自身を除く): 91870120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 191, 211, 215, 344, 382, 422, 430, 764, 844, 860, 955, 1055, 1528, 1688, 1720, 1910, 2110, 3820, 4220, 7640, 8213, 8440, 9073, 16426, 18146, 32852, 36292, 40301, 41065, 45365, 65704, 72584, 80602, 82130, 90730, 161204, 164260, 181460, 201505, 322408, 328520, 362920, 403010, 806020, 1612040, 1732943, 3465886, 6931772, 8664715, 13863544, 17329430, 34658860, 69317720]

約数ペア:

[(1, 69317720), (2, 34658860), (4, 17329430), (5, 13863544), (8, 8664715), (10, 6931772), (20, 3465886), (40, 1732943), (43, 1612040), (86, 806020), (172, 403010), (191, 362920), (211, 328520), (215, 322408), (344, 201505), (382, 181460), (422, 164260), (430, 161204), (764, 90730), (844, 82130), (860, 80602), (955, 72584), (1055, 65704), (1528, 45365), (1688, 41065), (1720, 40301), (1910, 36292), (2110, 32852), (3820, 18146), (4220, 16426), (7640, 9073), (8213, 8440)]