80195220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63647}}^1$

素因数の和:63669

約数の個数: 72

約数和(自身を含む): 278014464

約数和(自身を除く): 197819244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63647, 127294, 190941, 254588, 318235, 381882, 445529, 572823, 636470, 763764, 891058, 954705, 1145646, 1272940, 1336587, 1782116, 1909410, 2227645, 2291292, 2673174, 2864115, 3818820, 4009761, 4455290, 5346348, 5728230, 6682935, 8019522, 8910580, 11456460, 13365870, 16039044, 20048805, 26731740, 40097610, 80195220]

約数ペア:

[(1, 80195220), (2, 40097610), (3, 26731740), (4, 20048805), (5, 16039044), (6, 13365870), (7, 11456460), (9, 8910580), (10, 8019522), (12, 6682935), (14, 5728230), (15, 5346348), (18, 4455290), (20, 4009761), (21, 3818820), (28, 2864115), (30, 2673174), (35, 2291292), (36, 2227645), (42, 1909410), (45, 1782116), (60, 1336587), (63, 1272940), (70, 1145646), (84, 954705), (90, 891058), (105, 763764), (126, 636470), (140, 572823), (180, 445529), (210, 381882), (252, 318235), (315, 254588), (420, 190941), (630, 127294), (1260, 63647)]