80963820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21419}}^1$

素因数の和:21444

約数の個数: 96

約数和(自身を含む): 287884800

約数和(自身を除く): 206920980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21419, 42838, 64257, 85676, 107095, 128514, 149933, 192771, 214190, 257028, 299866, 321285, 385542, 428380, 449799, 578313, 599732, 642570, 749665, 771084, 899598, 963855, 1156626, 1285140, 1349397, 1499330, 1799196, 1927710, 2248995, 2313252, 2698794, 2891565, 2998660, 3855420, 4048191, 4497990, 5397588, 5783130, 6746985, 8096382, 8995980, 11566260, 13493970, 16192764, 20240955, 26987940, 40481910, 80963820]

約数ペア:

[(1, 80963820), (2, 40481910), (3, 26987940), (4, 20240955), (5, 16192764), (6, 13493970), (7, 11566260), (9, 8995980), (10, 8096382), (12, 6746985), (14, 5783130), (15, 5397588), (18, 4497990), (20, 4048191), (21, 3855420), (27, 2998660), (28, 2891565), (30, 2698794), (35, 2313252), (36, 2248995), (42, 1927710), (45, 1799196), (54, 1499330), (60, 1349397), (63, 1285140), (70, 1156626), (84, 963855), (90, 899598), (105, 771084), (108, 749665), (126, 642570), (135, 599732), (140, 578313), (180, 449799), (189, 428380), (210, 385542), (252, 321285), (270, 299866), (315, 257028), (378, 214190), (420, 192771), (540, 149933), (630, 128514), (756, 107095), (945, 85676), (1260, 64257), (1890, 42838), (3780, 21419)]