257085480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69109}}^1$

素因数の和:69154

約数の個数: 64

約数和(自身を含む): 796147200

約数和(自身を除く): 539061720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 69109, 138218, 207327, 276436, 345545, 414654, 552872, 691090, 829308, 1036635, 1382180, 1658616, 2073270, 2142379, 2764360, 4146540, 4284758, 6427137, 8293080, 8569516, 10711895, 12854274, 17139032, 21423790, 25708548, 32135685, 42847580, 51417096, 64271370, 85695160, 128542740, 257085480]

約数ペア:

[(1, 257085480), (2, 128542740), (3, 85695160), (4, 64271370), (5, 51417096), (6, 42847580), (8, 32135685), (10, 25708548), (12, 21423790), (15, 17139032), (20, 12854274), (24, 10711895), (30, 8569516), (31, 8293080), (40, 6427137), (60, 4284758), (62, 4146540), (93, 2764360), (120, 2142379), (124, 2073270), (155, 1658616), (186, 1382180), (248, 1036635), (310, 829308), (372, 691090), (465, 552872), (620, 414654), (744, 345545), (930, 276436), (1240, 207327), (1860, 138218), (3720, 69109)]