127211280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{75721}}^1$

素因数の和:75744

約数の個数: 80

約数和(自身を含む): 450697344

約数和(自身を除く): 323486064

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, 75721, 151442, 227163, 302884, 378605, 454326, 530047, 605768, 757210, 908652, 1060094, 1135815, 1211536, 1514420, 1590141, 1817304, 2120188, 2271630, 2650235, 3028840, 3180282, 3634608, 4240376, 4543260, 5300470, 6057680, 6360564, 7950705, 8480752, 9086520, 10600940, 12721128, 15901410, 18173040, 21201880, 25442256, 31802820, 42403760, 63605640, 127211280]

約数ペア:

[(1, 127211280), (2, 63605640), (3, 42403760), (4, 31802820), (5, 25442256), (6, 21201880), (7, 18173040), (8, 15901410), (10, 12721128), (12, 10600940), (14, 9086520), (15, 8480752), (16, 7950705), (20, 6360564), (21, 6057680), (24, 5300470), (28, 4543260), (30, 4240376), (35, 3634608), (40, 3180282), (42, 3028840), (48, 2650235), (56, 2271630), (60, 2120188), (70, 1817304), (80, 1590141), (84, 1514420), (105, 1211536), (112, 1135815), (120, 1060094), (140, 908652), (168, 757210), (210, 605768), (240, 530047), (280, 454326), (336, 378605), (420, 302884), (560, 227163), (840, 151442), (1680, 75721)]