209987760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6679}}^1$

素因数の和:6826

約数の個数: 80

約数和(自身を含む): 656029440

約数和(自身を除く): 446041680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 6679, 7860, 10480, 13358, 15720, 20037, 26716, 31440, 33395, 40074, 53432, 66790, 80148, 100185, 106864, 133580, 160296, 200370, 267160, 320592, 400740, 534320, 801480, 874949, 1602960, 1749898, 2624847, 3499796, 4374745, 5249694, 6999592, 8749490, 10499388, 13124235, 13999184, 17498980, 20998776, 26248470, 34997960, 41997552, 52496940, 69995920, 104993880, 209987760]

約数ペア:

[(1, 209987760), (2, 104993880), (3, 69995920), (4, 52496940), (5, 41997552), (6, 34997960), (8, 26248470), (10, 20998776), (12, 17498980), (15, 13999184), (16, 13124235), (20, 10499388), (24, 8749490), (30, 6999592), (40, 5249694), (48, 4374745), (60, 3499796), (80, 2624847), (120, 1749898), (131, 1602960), (240, 874949), (262, 801480), (393, 534320), (524, 400740), (655, 320592), (786, 267160), (1048, 200370), (1310, 160296), (1572, 133580), (1965, 106864), (2096, 100185), (2620, 80148), (3144, 66790), (3930, 53432), (5240, 40074), (6288, 33395), (6679, 31440), (7860, 26716), (10480, 20037), (13358, 15720)]