626858440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1143

約数の個数: 128

約数和(自身を含む): 1611832320

約数和(自身を除く): 984973880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 37, 40, 52, 62, 65, 74, 104, 124, 130, 148, 155, 185, 248, 260, 296, 310, 370, 403, 481, 520, 620, 740, 806, 962, 1051, 1147, 1240, 1480, 1612, 1924, 2015, 2102, 2294, 2405, 3224, 3848, 4030, 4204, 4588, 4810, 5255, 5735, 8060, 8408, 9176, 9620, 10510, 11470, 13663, 14911, 16120, 19240, 21020, 22940, 27326, 29822, 32581, 38887, 42040, 45880, 54652, 59644, 65162, 68315, 74555, 77774, 109304, 119288, 130324, 136630, 149110, 155548, 162905, 194435, 260648, 273260, 298220, 311096, 325810, 388870, 423553, 505531, 546520, 596440, 651620, 777740, 847106, 1011062, 1205497, 1303240, 1555480, 1694212, 2022124, 2117765, 2410994, 2527655, 3388424, 4044248, 4235530, 4821988, 5055310, 6027485, 8471060, 9643976, 10110620, 12054970, 15671461, 16942120, 20221240, 24109940, 31342922, 48219880, 62685844, 78357305, 125371688, 156714610, 313429220, 626858440]

約数ペア:

[(1, 626858440), (2, 313429220), (4, 156714610), (5, 125371688), (8, 78357305), (10, 62685844), (13, 48219880), (20, 31342922), (26, 24109940), (31, 20221240), (37, 16942120), (40, 15671461), (52, 12054970), (62, 10110620), (65, 9643976), (74, 8471060), (104, 6027485), (124, 5055310), (130, 4821988), (148, 4235530), (155, 4044248), (185, 3388424), (248, 2527655), (260, 2410994), (296, 2117765), (310, 2022124), (370, 1694212), (403, 1555480), (481, 1303240), (520, 1205497), (620, 1011062), (740, 847106), (806, 777740), (962, 651620), (1051, 596440), (1147, 546520), (1240, 505531), (1480, 423553), (1612, 388870), (1924, 325810), (2015, 311096), (2102, 298220), (2294, 273260), (2405, 260648), (3224, 194435), (3848, 162905), (4030, 155548), (4204, 149110), (4588, 136630), (4810, 130324), (5255, 119288), (5735, 109304), (8060, 77774), (8408, 74555), (9176, 68315), (9620, 65162), (10510, 59644), (11470, 54652), (13663, 45880), (14911, 42040), (16120, 38887), (19240, 32581), (21020, 29822), (22940, 27326)]