778830120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{721139}}^1$

素因数の和:721159

約数の個数: 64

約数和(自身を含む): 2596104000

約数和(自身を除く): 1817273880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 721139, 1442278, 2163417, 2884556, 3605695, 4326834, 5769112, 6490251, 7211390, 8653668, 10817085, 12980502, 14422780, 17307336, 19470753, 21634170, 25961004, 28845560, 32451255, 38941506, 43268340, 51922008, 64902510, 77883012, 86536680, 97353765, 129805020, 155766024, 194707530, 259610040, 389415060, 778830120]

約数ペア:

[(1, 778830120), (2, 389415060), (3, 259610040), (4, 194707530), (5, 155766024), (6, 129805020), (8, 97353765), (9, 86536680), (10, 77883012), (12, 64902510), (15, 51922008), (18, 43268340), (20, 38941506), (24, 32451255), (27, 28845560), (30, 25961004), (36, 21634170), (40, 19470753), (45, 17307336), (54, 14422780), (60, 12980502), (72, 10817085), (90, 8653668), (108, 7211390), (120, 6490251), (135, 5769112), (180, 4326834), (216, 3605695), (270, 2884556), (360, 2163417), (540, 1442278), (1080, 721139)]