81018180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450101}}^1$

素因数の和:450116

約数の個数: 36

約数和(自身を含む): 245755692

約数和(自身を除く): 164737512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450101, 900202, 1350303, 1800404, 2250505, 2700606, 4050909, 4501010, 5401212, 6751515, 8101818, 9002020, 13503030, 16203636, 20254545, 27006060, 40509090, 81018180]

約数ペア:

[(1, 81018180), (2, 40509090), (3, 27006060), (4, 20254545), (5, 16203636), (6, 13503030), (9, 9002020), (10, 8101818), (12, 6751515), (15, 5401212), (18, 4501010), (20, 4050909), (30, 2700606), (36, 2250505), (45, 1800404), (60, 1350303), (90, 900202), (180, 450101)]