81679770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1373}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 212843592

約数和(自身を除く): 131163822

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 661, 1322, 1373, 1983, 2746, 3305, 3966, 4119, 5949, 6610, 6865, 8238, 9915, 11898, 12357, 13730, 19830, 20595, 24714, 29745, 41190, 59490, 61785, 123570, 907553, 1815106, 2722659, 4537765, 5445318, 8167977, 9075530, 13613295, 16335954, 27226590, 40839885, 81679770]

約数ペア:

[(1, 81679770), (2, 40839885), (3, 27226590), (5, 16335954), (6, 13613295), (9, 9075530), (10, 8167977), (15, 5445318), (18, 4537765), (30, 2722659), (45, 1815106), (90, 907553), (661, 123570), (1322, 61785), (1373, 59490), (1983, 41190), (2746, 29745), (3305, 24714), (3966, 20595), (4119, 19830), (5949, 13730), (6610, 12357), (6865, 11898), (8238, 9915)]