72243472

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 80

約数和(自身を含む): 178381440

約数和(自身を除く): 106137968

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 646, 952, 1064, 1292, 1904, 1997, 2128, 2261, 2584, 3994, 4522, 5168, 7988, 9044, 13979, 15976, 18088, 27958, 31952, 33949, 36176, 37943, 55916, 67898, 75886, 111832, 135796, 151772, 223664, 237643, 265601, 271592, 303544, 475286, 531202, 543184, 607088, 645031, 950572, 1062404, 1290062, 1901144, 2124808, 2580124, 3802288, 4249616, 4515217, 5160248, 9030434, 10320496, 18060868, 36121736, 72243472]

約数ペア:

[(1, 72243472), (2, 36121736), (4, 18060868), (7, 10320496), (8, 9030434), (14, 5160248), (16, 4515217), (17, 4249616), (19, 3802288), (28, 2580124), (34, 2124808), (38, 1901144), (56, 1290062), (68, 1062404), (76, 950572), (112, 645031), (119, 607088), (133, 543184), (136, 531202), (152, 475286), (238, 303544), (266, 271592), (272, 265601), (304, 237643), (323, 223664), (476, 151772), (532, 135796), (646, 111832), (952, 75886), (1064, 67898), (1292, 55916), (1904, 37943), (1997, 36176), (2128, 33949), (2261, 31952), (2584, 27958), (3994, 18088), (4522, 15976), (5168, 13979), (7988, 9044)]