80287290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1291}}^1$

素因数の和:1995

約数の個数: 48

約数和(自身を含む): 209210976

約数和(自身を除く): 128923686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 691, 1291, 1382, 2073, 2582, 3455, 3873, 4146, 6219, 6455, 6910, 7746, 10365, 11619, 12438, 12910, 19365, 20730, 23238, 31095, 38730, 58095, 62190, 116190, 892081, 1784162, 2676243, 4460405, 5352486, 8028729, 8920810, 13381215, 16057458, 26762430, 40143645, 80287290]

約数ペア:

[(1, 80287290), (2, 40143645), (3, 26762430), (5, 16057458), (6, 13381215), (9, 8920810), (10, 8028729), (15, 5352486), (18, 4460405), (30, 2676243), (45, 1784162), (90, 892081), (691, 116190), (1291, 62190), (1382, 58095), (2073, 38730), (2582, 31095), (3455, 23238), (3873, 20730), (4146, 19365), (6219, 12910), (6455, 12438), (6910, 11619), (7746, 10365)]