164643920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:557

約数の個数: 120

約数和(自身を含む): 450924264

約数和(自身を除く): 286280344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 194, 196, 245, 280, 388, 392, 433, 485, 490, 560, 679, 776, 784, 866, 970, 980, 1358, 1552, 1732, 1940, 1960, 2165, 2716, 3031, 3395, 3464, 3880, 3920, 4330, 4753, 5432, 6062, 6790, 6928, 7760, 8660, 9506, 10864, 12124, 13580, 15155, 17320, 19012, 21217, 23765, 24248, 27160, 30310, 34640, 38024, 42001, 42434, 47530, 48496, 54320, 60620, 76048, 84002, 84868, 95060, 106085, 121240, 168004, 169736, 190120, 210005, 212170, 242480, 294007, 336008, 339472, 380240, 420010, 424340, 588014, 672016, 840020, 848680, 1176028, 1470035, 1680040, 1697360, 2058049, 2352056, 2940070, 3360080, 4116098, 4704112, 5880140, 8232196, 10290245, 11760280, 16464392, 20580490, 23520560, 32928784, 41160980, 82321960, 164643920]

約数ペア:

[(1, 164643920), (2, 82321960), (4, 41160980), (5, 32928784), (7, 23520560), (8, 20580490), (10, 16464392), (14, 11760280), (16, 10290245), (20, 8232196), (28, 5880140), (35, 4704112), (40, 4116098), (49, 3360080), (56, 2940070), (70, 2352056), (80, 2058049), (97, 1697360), (98, 1680040), (112, 1470035), (140, 1176028), (194, 848680), (196, 840020), (245, 672016), (280, 588014), (388, 424340), (392, 420010), (433, 380240), (485, 339472), (490, 336008), (560, 294007), (679, 242480), (776, 212170), (784, 210005), (866, 190120), (970, 169736), (980, 168004), (1358, 121240), (1552, 106085), (1732, 95060), (1940, 84868), (1960, 84002), (2165, 76048), (2716, 60620), (3031, 54320), (3395, 48496), (3464, 47530), (3880, 42434), (3920, 42001), (4330, 38024), (4753, 34640), (5432, 30310), (6062, 27160), (6790, 24248), (6928, 23765), (7760, 21217), (8660, 19012), (9506, 17320), (10864, 15155), (12124, 13580)]