2780190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1471}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 8478720

約数和(自身を除く): 5698530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1471, 1890, 2942, 4413, 7355, 8826, 10297, 13239, 14710, 20594, 22065, 26478, 30891, 39717, 44130, 51485, 61782, 66195, 79434, 92673, 102970, 132390, 154455, 185346, 198585, 278019, 308910, 397170, 463365, 556038, 926730, 1390095, 2780190]

約数ペア:

[(1, 2780190), (2, 1390095), (3, 926730), (5, 556038), (6, 463365), (7, 397170), (9, 308910), (10, 278019), (14, 198585), (15, 185346), (18, 154455), (21, 132390), (27, 102970), (30, 92673), (35, 79434), (42, 66195), (45, 61782), (54, 51485), (63, 44130), (70, 39717), (90, 30891), (105, 26478), (126, 22065), (135, 20594), (189, 14710), (210, 13239), (270, 10297), (315, 8826), (378, 7355), (630, 4413), (945, 2942), (1471, 1890)]