31071420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{172619}}^1$

素因数の和:172634

約数の個数: 36

約数和(自身を含む): 94250520

約数和(自身を除く): 63179100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 172619, 345238, 517857, 690476, 863095, 1035714, 1553571, 1726190, 2071428, 2589285, 3107142, 3452380, 5178570, 6214284, 7767855, 10357140, 15535710, 31071420]

約数ペア:

[(1, 31071420), (2, 15535710), (3, 10357140), (4, 7767855), (5, 6214284), (6, 5178570), (9, 3452380), (10, 3107142), (12, 2589285), (15, 2071428), (18, 1726190), (20, 1553571), (30, 1035714), (36, 863095), (45, 690476), (60, 517857), (90, 345238), (180, 172619)]