140671180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{563}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 329310576

約数和(自身を除く): 188639396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 563, 620, 806, 961, 1126, 1612, 1922, 2015, 2252, 2815, 3844, 4030, 4805, 5630, 7319, 8060, 9610, 11260, 12493, 14638, 17453, 19220, 24986, 29276, 34906, 36595, 49972, 62465, 69812, 73190, 87265, 124930, 146380, 174530, 226889, 249860, 349060, 453778, 541043, 907556, 1082086, 1134445, 2164172, 2268890, 2705215, 4537780, 5410430, 7033559, 10820860, 14067118, 28134236, 35167795, 70335590, 140671180]

約数ペア:

[(1, 140671180), (2, 70335590), (4, 35167795), (5, 28134236), (10, 14067118), (13, 10820860), (20, 7033559), (26, 5410430), (31, 4537780), (52, 2705215), (62, 2268890), (65, 2164172), (124, 1134445), (130, 1082086), (155, 907556), (260, 541043), (310, 453778), (403, 349060), (563, 249860), (620, 226889), (806, 174530), (961, 146380), (1126, 124930), (1612, 87265), (1922, 73190), (2015, 69812), (2252, 62465), (2815, 49972), (3844, 36595), (4030, 34906), (4805, 29276), (5630, 24986), (7319, 19220), (8060, 17453), (9610, 14638), (11260, 12493)]