261373860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1434

約数の個数: 144

約数和(自身を含む): 874141632

約数和(自身を除く): 612767772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 101, 110, 132, 165, 180, 198, 202, 220, 303, 330, 396, 404, 495, 505, 606, 660, 909, 990, 1010, 1111, 1212, 1307, 1515, 1818, 1980, 2020, 2222, 2614, 3030, 3333, 3636, 3921, 4444, 4545, 5228, 5555, 6060, 6535, 6666, 7842, 9090, 9999, 11110, 11763, 13070, 13332, 14377, 15684, 16665, 18180, 19605, 19998, 22220, 23526, 26140, 28754, 33330, 39210, 39996, 43131, 47052, 49995, 57508, 58815, 66660, 71885, 78420, 86262, 99990, 117630, 129393, 132007, 143770, 172524, 199980, 215655, 235260, 258786, 264014, 287540, 396021, 431310, 517572, 528028, 646965, 660035, 792042, 862620, 1188063, 1293930, 1320070, 1452077, 1584084, 1980105, 2376126, 2587860, 2640140, 2904154, 3960210, 4356231, 4752252, 5808308, 5940315, 7260385, 7920420, 8712462, 11880630, 13068693, 14520770, 17424924, 21781155, 23761260, 26137386, 29041540, 43562310, 52274772, 65343465, 87124620, 130686930, 261373860]

約数ペア:

[(1, 261373860), (2, 130686930), (3, 87124620), (4, 65343465), (5, 52274772), (6, 43562310), (9, 29041540), (10, 26137386), (11, 23761260), (12, 21781155), (15, 17424924), (18, 14520770), (20, 13068693), (22, 11880630), (30, 8712462), (33, 7920420), (36, 7260385), (44, 5940315), (45, 5808308), (55, 4752252), (60, 4356231), (66, 3960210), (90, 2904154), (99, 2640140), (101, 2587860), (110, 2376126), (132, 1980105), (165, 1584084), (180, 1452077), (198, 1320070), (202, 1293930), (220, 1188063), (303, 862620), (330, 792042), (396, 660035), (404, 646965), (495, 528028), (505, 517572), (606, 431310), (660, 396021), (909, 287540), (990, 264014), (1010, 258786), (1111, 235260), (1212, 215655), (1307, 199980), (1515, 172524), (1818, 143770), (1980, 132007), (2020, 129393), (2222, 117630), (2614, 99990), (3030, 86262), (3333, 78420), (3636, 71885), (3921, 66660), (4444, 58815), (4545, 57508), (5228, 49995), (5555, 47052), (6060, 43131), (6535, 39996), (6666, 39210), (7842, 33330), (9090, 28754), (9999, 26140), (11110, 23526), (11763, 22220), (13070, 19998), (13332, 19605), (14377, 18180), (15684, 16665)]