208037415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 373248000

約数和(自身を除く): 165210585

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 79, 85, 115, 237, 255, 345, 391, 395, 449, 1173, 1185, 1343, 1347, 1817, 1955, 2245, 4029, 5451, 5865, 6715, 6735, 7633, 9085, 10327, 20145, 22899, 27255, 30889, 30981, 35471, 38165, 51635, 92667, 106413, 114495, 154445, 154905, 175559, 177355, 463335, 526677, 532065, 603007, 815833, 877795, 1809021, 2447499, 2633385, 3015035, 4079165, 9045105, 12237495, 13869161, 41607483, 69345805, 208037415]

約数ペア:

[(1, 208037415), (3, 69345805), (5, 41607483), (15, 13869161), (17, 12237495), (23, 9045105), (51, 4079165), (69, 3015035), (79, 2633385), (85, 2447499), (115, 1809021), (237, 877795), (255, 815833), (345, 603007), (391, 532065), (395, 526677), (449, 463335), (1173, 177355), (1185, 175559), (1343, 154905), (1347, 154445), (1817, 114495), (1955, 106413), (2245, 92667), (4029, 51635), (5451, 38165), (5865, 35471), (6715, 30981), (6735, 30889), (7633, 27255), (9085, 22899), (10327, 20145)]