80340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 244608

約数和(自身を除く): 164268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 206, 260, 309, 390, 412, 515, 618, 780, 1030, 1236, 1339, 1545, 2060, 2678, 3090, 4017, 5356, 6180, 6695, 8034, 13390, 16068, 20085, 26780, 40170, 80340]

約数ペア:

[(1, 80340), (2, 40170), (3, 26780), (4, 20085), (5, 16068), (6, 13390), (10, 8034), (12, 6695), (13, 6180), (15, 5356), (20, 4017), (26, 3090), (30, 2678), (39, 2060), (52, 1545), (60, 1339), (65, 1236), (78, 1030), (103, 780), (130, 618), (156, 515), (195, 412), (206, 390), (260, 309)]