159756640

素因数分解:

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

素因数の和:1116

約数の個数: 72

約数和(自身を含む): 390368160

約数和(自身を除く): 230611520

約数列:

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

約数ペア:

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