123949020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158909}}^1$

素因数の和:158934

約数の個数: 48

約数和(自身を含む): 373756320

約数和(自身を除く): 249807300

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, 158909, 317818, 476727, 635636, 794545, 953454, 1589090, 1906908, 2065817, 2383635, 3178180, 4131634, 4767270, 6197451, 8263268, 9534540, 10329085, 12394902, 20658170, 24789804, 30987255, 41316340, 61974510, 123949020]

約数ペア:

[(1, 123949020), (2, 61974510), (3, 41316340), (4, 30987255), (5, 24789804), (6, 20658170), (10, 12394902), (12, 10329085), (13, 9534540), (15, 8263268), (20, 6197451), (26, 4767270), (30, 4131634), (39, 3178180), (52, 2383635), (60, 2065817), (65, 1906908), (78, 1589090), (130, 953454), (156, 794545), (195, 635636), (260, 476727), (390, 317818), (780, 158909)]