131359020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168409}}^1$

素因数の和:168434

約数の個数: 48

約数和(自身を含む): 396100320

約数和(自身を除く): 264741300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 168409, 336818, 505227, 673636, 842045, 1010454, 1684090, 2020908, 2189317, 2526135, 3368180, 4378634, 5052270, 6567951, 8757268, 10104540, 10946585, 13135902, 21893170, 26271804, 32839755, 43786340, 65679510, 131359020]

約数ペア:

[(1, 131359020), (2, 65679510), (3, 43786340), (4, 32839755), (5, 26271804), (6, 21893170), (10, 13135902), (12, 10946585), (13, 10104540), (15, 8757268), (20, 6567951), (26, 5052270), (30, 4378634), (39, 3368180), (52, 2526135), (60, 2189317), (65, 2020908), (78, 1684090), (130, 1010454), (156, 842045), (195, 673636), (260, 505227), (390, 336818), (780, 168409)]