1245989820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{669887}}^1$

素因数の和:669930

約数の個数: 48

約数和(自身を含む): 3601317888

約数和(自身を除く): 2355328068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 669887, 1339774, 2009661, 2679548, 3349435, 4019322, 6698870, 8038644, 10048305, 13397740, 20096610, 20766497, 40193220, 41532994, 62299491, 83065988, 103832485, 124598982, 207664970, 249197964, 311497455, 415329940, 622994910, 1245989820]

約数ペア:

[(1, 1245989820), (2, 622994910), (3, 415329940), (4, 311497455), (5, 249197964), (6, 207664970), (10, 124598982), (12, 103832485), (15, 83065988), (20, 62299491), (30, 41532994), (31, 40193220), (60, 20766497), (62, 20096610), (93, 13397740), (124, 10048305), (155, 8038644), (186, 6698870), (310, 4019322), (372, 3349435), (465, 2679548), (620, 2009661), (930, 1339774), (1860, 669887)]