72113440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 204192576

約数和(自身を除く): 132079136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 140, 155, 160, 217, 224, 248, 268, 280, 310, 335, 434, 469, 496, 536, 560, 620, 670, 868, 938, 961, 992, 1072, 1085, 1120, 1240, 1340, 1736, 1876, 1922, 2077, 2144, 2170, 2345, 2480, 2680, 3472, 3752, 3844, 4154, 4340, 4690, 4805, 4960, 5360, 6727, 6944, 7504, 7688, 8308, 8680, 9380, 9610, 10385, 10720, 13454, 14539, 15008, 15376, 16616, 17360, 18760, 19220, 20770, 26908, 29078, 30752, 33232, 33635, 34720, 37520, 38440, 41540, 53816, 58156, 64387, 66464, 67270, 72695, 75040, 76880, 83080, 107632, 116312, 128774, 134540, 145390, 153760, 166160, 215264, 232624, 257548, 269080, 290780, 321935, 332320, 450709, 465248, 515096, 538160, 581560, 643870, 901418, 1030192, 1076320, 1163120, 1287740, 1802836, 2060384, 2253545, 2326240, 2575480, 3605672, 4507090, 5150960, 7211344, 9014180, 10301920, 14422688, 18028360, 36056720, 72113440]

約数ペア:

[(1, 72113440), (2, 36056720), (4, 18028360), (5, 14422688), (7, 10301920), (8, 9014180), (10, 7211344), (14, 5150960), (16, 4507090), (20, 3605672), (28, 2575480), (31, 2326240), (32, 2253545), (35, 2060384), (40, 1802836), (56, 1287740), (62, 1163120), (67, 1076320), (70, 1030192), (80, 901418), (112, 643870), (124, 581560), (134, 538160), (140, 515096), (155, 465248), (160, 450709), (217, 332320), (224, 321935), (248, 290780), (268, 269080), (280, 257548), (310, 232624), (335, 215264), (434, 166160), (469, 153760), (496, 145390), (536, 134540), (560, 128774), (620, 116312), (670, 107632), (868, 83080), (938, 76880), (961, 75040), (992, 72695), (1072, 67270), (1085, 66464), (1120, 64387), (1240, 58156), (1340, 53816), (1736, 41540), (1876, 38440), (1922, 37520), (2077, 34720), (2144, 33635), (2170, 33232), (2345, 30752), (2480, 29078), (2680, 26908), (3472, 20770), (3752, 19220), (3844, 18760), (4154, 17360), (4340, 16616), (4690, 15376), (4805, 15008), (4960, 14539), (5360, 13454), (6727, 10720), (6944, 10385), (7504, 9610), (7688, 9380), (8308, 8680)]