319020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 964320

約数和(自身を除く): 645300

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, 409, 780, 818, 1227, 1636, 2045, 2454, 4090, 4908, 5317, 6135, 8180, 10634, 12270, 15951, 21268, 24540, 26585, 31902, 53170, 63804, 79755, 106340, 159510, 319020]

約数ペア:

[(1, 319020), (2, 159510), (3, 106340), (4, 79755), (5, 63804), (6, 53170), (10, 31902), (12, 26585), (13, 24540), (15, 21268), (20, 15951), (26, 12270), (30, 10634), (39, 8180), (52, 6135), (60, 5317), (65, 4908), (78, 4090), (130, 2454), (156, 2045), (195, 1636), (260, 1227), (390, 818), (409, 780)]