2503020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3234

約数の個数: 48

約数和(自身を含む): 7549920

約数和(自身を除く): 5046900

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, 3209, 6418, 9627, 12836, 16045, 19254, 32090, 38508, 41717, 48135, 64180, 83434, 96270, 125151, 166868, 192540, 208585, 250302, 417170, 500604, 625755, 834340, 1251510, 2503020]

約数ペア:

[(1, 2503020), (2, 1251510), (3, 834340), (4, 625755), (5, 500604), (6, 417170), (10, 250302), (12, 208585), (13, 192540), (15, 166868), (20, 125151), (26, 96270), (30, 83434), (39, 64180), (52, 48135), (60, 41717), (65, 38508), (78, 32090), (130, 19254), (156, 16045), (195, 12836), (260, 9627), (390, 6418), (780, 3209)]