279796860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31723}}^1$

素因数の和:31752

約数の個数: 108

約数和(自身を含む): 987314328

約数和(自身を除く): 707517468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 31723, 63446, 95169, 126892, 158615, 190338, 222061, 285507, 317230, 380676, 444122, 475845, 571014, 634460, 666183, 888244, 951690, 1110305, 1142028, 1332366, 1427535, 1554427, 1903380, 1998549, 2220610, 2664732, 2855070, 3108854, 3330915, 3997098, 4441220, 4663281, 5710140, 6217708, 6661830, 7772135, 7994196, 9326562, 9992745, 13323660, 13989843, 15544270, 18653124, 19985490, 23316405, 27979686, 31088540, 39970980, 46632810, 55959372, 69949215, 93265620, 139898430, 279796860]

約数ペア:

[(1, 279796860), (2, 139898430), (3, 93265620), (4, 69949215), (5, 55959372), (6, 46632810), (7, 39970980), (9, 31088540), (10, 27979686), (12, 23316405), (14, 19985490), (15, 18653124), (18, 15544270), (20, 13989843), (21, 13323660), (28, 9992745), (30, 9326562), (35, 7994196), (36, 7772135), (42, 6661830), (45, 6217708), (49, 5710140), (60, 4663281), (63, 4441220), (70, 3997098), (84, 3330915), (90, 3108854), (98, 2855070), (105, 2664732), (126, 2220610), (140, 1998549), (147, 1903380), (180, 1554427), (196, 1427535), (210, 1332366), (245, 1142028), (252, 1110305), (294, 951690), (315, 888244), (420, 666183), (441, 634460), (490, 571014), (588, 475845), (630, 444122), (735, 380676), (882, 317230), (980, 285507), (1260, 222061), (1470, 190338), (1764, 158615), (2205, 126892), (2940, 95169), (4410, 63446), (8820, 31723)]