127911520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6607}}^1$

素因数の和:6644

約数の個数: 72

約数和(自身を含む): 332210592

約数和(自身を除く): 204299072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 6607, 9680, 13214, 19360, 26428, 33035, 52856, 66070, 72677, 105712, 132140, 145354, 211424, 264280, 290708, 363385, 528560, 581416, 726770, 799447, 1057120, 1162832, 1453540, 1598894, 2325664, 2907080, 3197788, 3997235, 5814160, 6395576, 7994470, 11628320, 12791152, 15988940, 25582304, 31977880, 63955760, 127911520]

約数ペア:

[(1, 127911520), (2, 63955760), (4, 31977880), (5, 25582304), (8, 15988940), (10, 12791152), (11, 11628320), (16, 7994470), (20, 6395576), (22, 5814160), (32, 3997235), (40, 3197788), (44, 2907080), (55, 2325664), (80, 1598894), (88, 1453540), (110, 1162832), (121, 1057120), (160, 799447), (176, 726770), (220, 581416), (242, 528560), (352, 363385), (440, 290708), (484, 264280), (605, 211424), (880, 145354), (968, 132140), (1210, 105712), (1760, 72677), (1936, 66070), (2420, 52856), (3872, 33035), (4840, 26428), (6607, 19360), (9680, 13214)]