79968780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{444271}}^1$

素因数の和:444286

約数の個数: 36

約数和(自身を含む): 242572512

約数和(自身を除く): 162603732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 444271, 888542, 1332813, 1777084, 2221355, 2665626, 3998439, 4442710, 5331252, 6664065, 7996878, 8885420, 13328130, 15993756, 19992195, 26656260, 39984390, 79968780]

約数ペア:

[(1, 79968780), (2, 39984390), (3, 26656260), (4, 19992195), (5, 15993756), (6, 13328130), (9, 8885420), (10, 7996878), (12, 6664065), (15, 5331252), (18, 4442710), (20, 3998439), (30, 2665626), (36, 2221355), (45, 1777084), (60, 1332813), (90, 888542), (180, 444271)]