255444540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327493}}^1$

素因数の和:327518

約数の個数: 48

約数和(自身を含む): 770265888

約数和(自身を除く): 514821348

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, 327493, 654986, 982479, 1309972, 1637465, 1964958, 3274930, 3929916, 4257409, 4912395, 6549860, 8514818, 9824790, 12772227, 17029636, 19649580, 21287045, 25544454, 42574090, 51088908, 63861135, 85148180, 127722270, 255444540]

約数ペア:

[(1, 255444540), (2, 127722270), (3, 85148180), (4, 63861135), (5, 51088908), (6, 42574090), (10, 25544454), (12, 21287045), (13, 19649580), (15, 17029636), (20, 12772227), (26, 9824790), (30, 8514818), (39, 6549860), (52, 4912395), (60, 4257409), (65, 3929916), (78, 3274930), (130, 1964958), (156, 1637465), (195, 1309972), (260, 982479), (390, 654986), (780, 327493)]