2639245860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{637499}}^1$

素因数の和:637537

約数の個数: 72

約数和(自身を含む): 8353800000

約数和(自身を除く): 5714554140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 637499, 1274998, 1912497, 2549996, 3187495, 3824994, 5737491, 6374990, 7649988, 9562485, 11474982, 12749980, 14662477, 19124970, 22949964, 28687455, 29324954, 38249940, 43987431, 57374910, 58649908, 73312385, 87974862, 114749820, 131962293, 146624770, 175949724, 219937155, 263924586, 293249540, 439874310, 527849172, 659811465, 879748620, 1319622930, 2639245860]

約数ペア:

[(1, 2639245860), (2, 1319622930), (3, 879748620), (4, 659811465), (5, 527849172), (6, 439874310), (9, 293249540), (10, 263924586), (12, 219937155), (15, 175949724), (18, 146624770), (20, 131962293), (23, 114749820), (30, 87974862), (36, 73312385), (45, 58649908), (46, 57374910), (60, 43987431), (69, 38249940), (90, 29324954), (92, 28687455), (115, 22949964), (138, 19124970), (180, 14662477), (207, 12749980), (230, 11474982), (276, 9562485), (345, 7649988), (414, 6374990), (460, 5737491), (690, 3824994), (828, 3187495), (1035, 2549996), (1380, 1912497), (2070, 1274998), (4140, 637499)]