319513280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1039}}^1$

素因数の和:1118

約数の個数: 84

約数和(自身を含む): 786932640

約数和(自身を除く): 467419360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 961, 992, 1039, 1240, 1922, 1984, 2078, 2480, 3844, 4156, 4805, 4960, 5195, 7688, 8312, 9610, 9920, 10390, 15376, 16624, 19220, 20780, 30752, 32209, 33248, 38440, 41560, 61504, 64418, 66496, 76880, 83120, 128836, 153760, 161045, 166240, 257672, 307520, 322090, 332480, 515344, 644180, 998479, 1030688, 1288360, 1996958, 2061376, 2576720, 3993916, 4992395, 5153440, 7987832, 9984790, 10306880, 15975664, 19969580, 31951328, 39939160, 63902656, 79878320, 159756640, 319513280]

約数ペア:

[(1, 319513280), (2, 159756640), (4, 79878320), (5, 63902656), (8, 39939160), (10, 31951328), (16, 19969580), (20, 15975664), (31, 10306880), (32, 9984790), (40, 7987832), (62, 5153440), (64, 4992395), (80, 3993916), (124, 2576720), (155, 2061376), (160, 1996958), (248, 1288360), (310, 1030688), (320, 998479), (496, 644180), (620, 515344), (961, 332480), (992, 322090), (1039, 307520), (1240, 257672), (1922, 166240), (1984, 161045), (2078, 153760), (2480, 128836), (3844, 83120), (4156, 76880), (4805, 66496), (4960, 64418), (5195, 61504), (7688, 41560), (8312, 38440), (9610, 33248), (9920, 32209), (10390, 30752), (15376, 20780), (16624, 19220)]