61771840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:540

約数の個数: 112

約数和(自身を含む): 163860480

約数和(自身を除く): 102088640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 479, 496, 520, 620, 806, 832, 958, 992, 1040, 1240, 1612, 1916, 1984, 2015, 2080, 2395, 2480, 3224, 3832, 4030, 4160, 4790, 4960, 6227, 6448, 7664, 8060, 9580, 9920, 12454, 12896, 14849, 15328, 16120, 19160, 24908, 25792, 29698, 30656, 31135, 32240, 38320, 49816, 59396, 62270, 64480, 74245, 76640, 99632, 118792, 124540, 128960, 148490, 153280, 193037, 199264, 237584, 249080, 296980, 386074, 398528, 475168, 498160, 593960, 772148, 950336, 965185, 996320, 1187920, 1544296, 1930370, 1992640, 2375840, 3088592, 3860740, 4751680, 6177184, 7721480, 12354368, 15442960, 30885920, 61771840]

約数ペア:

[(1, 61771840), (2, 30885920), (4, 15442960), (5, 12354368), (8, 7721480), (10, 6177184), (13, 4751680), (16, 3860740), (20, 3088592), (26, 2375840), (31, 1992640), (32, 1930370), (40, 1544296), (52, 1187920), (62, 996320), (64, 965185), (65, 950336), (80, 772148), (104, 593960), (124, 498160), (130, 475168), (155, 398528), (160, 386074), (208, 296980), (248, 249080), (260, 237584), (310, 199264), (320, 193037), (403, 153280), (416, 148490), (479, 128960), (496, 124540), (520, 118792), (620, 99632), (806, 76640), (832, 74245), (958, 64480), (992, 62270), (1040, 59396), (1240, 49816), (1612, 38320), (1916, 32240), (1984, 31135), (2015, 30656), (2080, 29698), (2395, 25792), (2480, 24908), (3224, 19160), (3832, 16120), (4030, 15328), (4160, 14849), (4790, 12896), (4960, 12454), (6227, 9920), (6448, 9580), (7664, 8060)]