281445780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{60919}}^1$

素因数の和:60949

約数の個数: 96

約数和(自身を含む): 982517760

約数和(自身を除く): 701071980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 60919, 121838, 182757, 243676, 304595, 365514, 426433, 609190, 670109, 731028, 852866, 913785, 1218380, 1279299, 1340218, 1705732, 1827570, 2010327, 2132165, 2558598, 2680436, 3350545, 3655140, 4020654, 4264330, 4690763, 5117196, 6396495, 6701090, 8041308, 8528660, 9381526, 10051635, 12792990, 13402180, 14072289, 18763052, 20103270, 23453815, 25585980, 28144578, 40206540, 46907630, 56289156, 70361445, 93815260, 140722890, 281445780]

約数ペア:

[(1, 281445780), (2, 140722890), (3, 93815260), (4, 70361445), (5, 56289156), (6, 46907630), (7, 40206540), (10, 28144578), (11, 25585980), (12, 23453815), (14, 20103270), (15, 18763052), (20, 14072289), (21, 13402180), (22, 12792990), (28, 10051635), (30, 9381526), (33, 8528660), (35, 8041308), (42, 6701090), (44, 6396495), (55, 5117196), (60, 4690763), (66, 4264330), (70, 4020654), (77, 3655140), (84, 3350545), (105, 2680436), (110, 2558598), (132, 2132165), (140, 2010327), (154, 1827570), (165, 1705732), (210, 1340218), (220, 1279299), (231, 1218380), (308, 913785), (330, 852866), (385, 731028), (420, 670109), (462, 609190), (660, 426433), (770, 365514), (924, 304595), (1155, 243676), (1540, 182757), (2310, 121838), (4620, 60919)]