78866580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101111}}^1$

素因数の和:101136

約数の個数: 48

約数和(自身を含む): 237815424

約数和(自身を除く): 158948844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 101111, 202222, 303333, 404444, 505555, 606666, 1011110, 1213332, 1314443, 1516665, 2022220, 2628886, 3033330, 3943329, 5257772, 6066660, 6572215, 7886658, 13144430, 15773316, 19716645, 26288860, 39433290, 78866580]

約数ペア:

[(1, 78866580), (2, 39433290), (3, 26288860), (4, 19716645), (5, 15773316), (6, 13144430), (10, 7886658), (12, 6572215), (13, 6066660), (15, 5257772), (20, 3943329), (26, 3033330), (30, 2628886), (39, 2022220), (52, 1516665), (60, 1314443), (65, 1213332), (78, 1011110), (130, 606666), (156, 505555), (195, 404444), (260, 303333), (390, 202222), (780, 101111)]