72796140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404423}}^1$

素因数の和:404438

約数の個数: 36

約数和(自身を含む): 220815504

約数和(自身を除く): 148019364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404423, 808846, 1213269, 1617692, 2022115, 2426538, 3639807, 4044230, 4853076, 6066345, 7279614, 8088460, 12132690, 14559228, 18199035, 24265380, 36398070, 72796140]

約数ペア:

[(1, 72796140), (2, 36398070), (3, 24265380), (4, 18199035), (5, 14559228), (6, 12132690), (9, 8088460), (10, 7279614), (12, 6066345), (15, 4853076), (18, 4044230), (20, 3639807), (30, 2426538), (36, 2022115), (45, 1617692), (60, 1213269), (90, 808846), (180, 404423)]