128531760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76507}}^1$

素因数の和:76530

約数の個数: 80

約数和(自身を含む): 455375616

約数和(自身を除く): 326843856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76507, 153014, 229521, 306028, 382535, 459042, 535549, 612056, 765070, 918084, 1071098, 1147605, 1224112, 1530140, 1606647, 1836168, 2142196, 2295210, 2677745, 3060280, 3213294, 3672336, 4284392, 4590420, 5355490, 6120560, 6426588, 8033235, 8568784, 9180840, 10710980, 12853176, 16066470, 18361680, 21421960, 25706352, 32132940, 42843920, 64265880, 128531760]

約数ペア:

[(1, 128531760), (2, 64265880), (3, 42843920), (4, 32132940), (5, 25706352), (6, 21421960), (7, 18361680), (8, 16066470), (10, 12853176), (12, 10710980), (14, 9180840), (15, 8568784), (16, 8033235), (20, 6426588), (21, 6120560), (24, 5355490), (28, 4590420), (30, 4284392), (35, 3672336), (40, 3213294), (42, 3060280), (48, 2677745), (56, 2295210), (60, 2142196), (70, 1836168), (80, 1606647), (84, 1530140), (105, 1224112), (112, 1147605), (120, 1071098), (140, 918084), (168, 765070), (210, 612056), (240, 535549), (280, 459042), (336, 382535), (420, 306028), (560, 229521), (840, 153014), (1680, 76507)]