268275540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{343943}}^1$

素因数の和:343968

約数の個数: 48

約数和(自身を含む): 808956288

約数和(自身を除く): 540680748

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, 343943, 687886, 1031829, 1375772, 1719715, 2063658, 3439430, 4127316, 4471259, 5159145, 6878860, 8942518, 10318290, 13413777, 17885036, 20636580, 22356295, 26827554, 44712590, 53655108, 67068885, 89425180, 134137770, 268275540]

約数ペア:

[(1, 268275540), (2, 134137770), (3, 89425180), (4, 67068885), (5, 53655108), (6, 44712590), (10, 26827554), (12, 22356295), (13, 20636580), (15, 17885036), (20, 13413777), (26, 10318290), (30, 8942518), (39, 6878860), (52, 5159145), (60, 4471259), (65, 4127316), (78, 3439430), (130, 2063658), (156, 1719715), (195, 1375772), (260, 1031829), (390, 687886), (780, 343943)]