81337620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14897}}^1$

素因数の和:14929

約数の個数: 96

約数和(自身を含む): 280320768

約数和(自身を除く): 198983148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 14897, 29794, 44691, 59588, 74485, 89382, 104279, 148970, 178764, 193661, 208558, 223455, 297940, 312837, 387322, 417116, 446910, 521395, 580983, 625674, 774644, 893820, 968305, 1042790, 1161966, 1251348, 1355627, 1564185, 1936610, 2085580, 2323932, 2711254, 2904915, 3128370, 3873220, 4066881, 5422508, 5809830, 6256740, 6778135, 8133762, 11619660, 13556270, 16267524, 20334405, 27112540, 40668810, 81337620]

約数ペア:

[(1, 81337620), (2, 40668810), (3, 27112540), (4, 20334405), (5, 16267524), (6, 13556270), (7, 11619660), (10, 8133762), (12, 6778135), (13, 6256740), (14, 5809830), (15, 5422508), (20, 4066881), (21, 3873220), (26, 3128370), (28, 2904915), (30, 2711254), (35, 2323932), (39, 2085580), (42, 1936610), (52, 1564185), (60, 1355627), (65, 1251348), (70, 1161966), (78, 1042790), (84, 968305), (91, 893820), (105, 774644), (130, 625674), (140, 580983), (156, 521395), (182, 446910), (195, 417116), (210, 387322), (260, 312837), (273, 297940), (364, 223455), (390, 208558), (420, 193661), (455, 178764), (546, 148970), (780, 104279), (910, 89382), (1092, 74485), (1365, 59588), (1820, 44691), (2730, 29794), (5460, 14897)]