30885920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 50399200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 479, 496, 520, 620, 806, 958, 992, 1040, 1240, 1612, 1916, 2015, 2080, 2395, 2480, 3224, 3832, 4030, 4790, 4960, 6227, 6448, 7664, 8060, 9580, 12454, 12896, 14849, 15328, 16120, 19160, 24908, 29698, 31135, 32240, 38320, 49816, 59396, 62270, 64480, 74245, 76640, 99632, 118792, 124540, 148490, 193037, 199264, 237584, 249080, 296980, 386074, 475168, 498160, 593960, 772148, 965185, 996320, 1187920, 1544296, 1930370, 2375840, 3088592, 3860740, 6177184, 7721480, 15442960, 30885920]

約数ペア:

[(1, 30885920), (2, 15442960), (4, 7721480), (5, 6177184), (8, 3860740), (10, 3088592), (13, 2375840), (16, 1930370), (20, 1544296), (26, 1187920), (31, 996320), (32, 965185), (40, 772148), (52, 593960), (62, 498160), (65, 475168), (80, 386074), (104, 296980), (124, 249080), (130, 237584), (155, 199264), (160, 193037), (208, 148490), (248, 124540), (260, 118792), (310, 99632), (403, 76640), (416, 74245), (479, 64480), (496, 62270), (520, 59396), (620, 49816), (806, 38320), (958, 32240), (992, 31135), (1040, 29698), (1240, 24908), (1612, 19160), (1916, 16120), (2015, 15328), (2080, 14849), (2395, 12896), (2480, 12454), (3224, 9580), (3832, 8060), (4030, 7664), (4790, 6448), (4960, 6227)]