123543680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 329011200

約数和(自身を除く): 205467520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 479, 496, 520, 620, 640, 806, 832, 958, 992, 1040, 1240, 1612, 1664, 1916, 1984, 2015, 2080, 2395, 2480, 3224, 3832, 3968, 4030, 4160, 4790, 4960, 6227, 6448, 7664, 8060, 8320, 9580, 9920, 12454, 12896, 14849, 15328, 16120, 19160, 19840, 24908, 25792, 29698, 30656, 31135, 32240, 38320, 49816, 51584, 59396, 61312, 62270, 64480, 74245, 76640, 99632, 118792, 124540, 128960, 148490, 153280, 193037, 199264, 237584, 249080, 257920, 296980, 306560, 386074, 398528, 475168, 498160, 593960, 772148, 797056, 950336, 965185, 996320, 1187920, 1544296, 1900672, 1930370, 1992640, 2375840, 3088592, 3860740, 3985280, 4751680, 6177184, 7721480, 9503360, 12354368, 15442960, 24708736, 30885920, 61771840, 123543680]

約数ペア:

[(1, 123543680), (2, 61771840), (4, 30885920), (5, 24708736), (8, 15442960), (10, 12354368), (13, 9503360), (16, 7721480), (20, 6177184), (26, 4751680), (31, 3985280), (32, 3860740), (40, 3088592), (52, 2375840), (62, 1992640), (64, 1930370), (65, 1900672), (80, 1544296), (104, 1187920), (124, 996320), (128, 965185), (130, 950336), (155, 797056), (160, 772148), (208, 593960), (248, 498160), (260, 475168), (310, 398528), (320, 386074), (403, 306560), (416, 296980), (479, 257920), (496, 249080), (520, 237584), (620, 199264), (640, 193037), (806, 153280), (832, 148490), (958, 128960), (992, 124540), (1040, 118792), (1240, 99632), (1612, 76640), (1664, 74245), (1916, 64480), (1984, 62270), (2015, 61312), (2080, 59396), (2395, 51584), (2480, 49816), (3224, 38320), (3832, 32240), (3968, 31135), (4030, 30656), (4160, 29698), (4790, 25792), (4960, 24908), (6227, 19840), (6448, 19160), (7664, 16120), (8060, 15328), (8320, 14849), (9580, 12896), (9920, 12454)]