15338440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2269}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 37386900

約数和(自身を除く): 22048460

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2269, 3380, 4538, 6760, 9076, 11345, 18152, 22690, 29497, 45380, 58994, 90760, 117988, 147485, 235976, 294970, 383461, 589940, 766922, 1179880, 1533844, 1917305, 3067688, 3834610, 7669220, 15338440]

約数ペア:

[(1, 15338440), (2, 7669220), (4, 3834610), (5, 3067688), (8, 1917305), (10, 1533844), (13, 1179880), (20, 766922), (26, 589940), (40, 383461), (52, 294970), (65, 235976), (104, 147485), (130, 117988), (169, 90760), (260, 58994), (338, 45380), (520, 29497), (676, 22690), (845, 18152), (1352, 11345), (1690, 9076), (2269, 6760), (3380, 4538)]