80661780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448121}}^1$

素因数の和:448136

約数の個数: 36

約数和(自身を含む): 244674612

約数和(自身を除く): 164012832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448121, 896242, 1344363, 1792484, 2240605, 2688726, 4033089, 4481210, 5377452, 6721815, 8066178, 8962420, 13443630, 16132356, 20165445, 26887260, 40330890, 80661780]

約数ペア:

[(1, 80661780), (2, 40330890), (3, 26887260), (4, 20165445), (5, 16132356), (6, 13443630), (9, 8962420), (10, 8066178), (12, 6721815), (15, 5377452), (18, 4481210), (20, 4033089), (30, 2688726), (36, 2240605), (45, 1792484), (60, 1344363), (90, 896242), (180, 448121)]