1913080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 4677480

約数和(自身を除く): 2764400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 283, 338, 520, 566, 676, 845, 1132, 1352, 1415, 1690, 2264, 2830, 3380, 3679, 5660, 6760, 7358, 11320, 14716, 18395, 29432, 36790, 47827, 73580, 95654, 147160, 191308, 239135, 382616, 478270, 956540, 1913080]

約数ペア:

[(1, 1913080), (2, 956540), (4, 478270), (5, 382616), (8, 239135), (10, 191308), (13, 147160), (20, 95654), (26, 73580), (40, 47827), (52, 36790), (65, 29432), (104, 18395), (130, 14716), (169, 11320), (260, 7358), (283, 6760), (338, 5660), (520, 3679), (566, 3380), (676, 2830), (845, 2264), (1132, 1690), (1352, 1415)]