721132920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:414

約数の個数: 192

約数和(自身を含む): 2402356320

約数和(自身を除く): 1681223400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 107, 120, 180, 193, 194, 214, 291, 321, 360, 386, 388, 428, 485, 535, 579, 582, 642, 772, 776, 856, 873, 963, 965, 970, 1070, 1158, 1164, 1284, 1455, 1544, 1605, 1737, 1746, 1926, 1930, 1940, 2140, 2316, 2328, 2568, 2895, 2910, 3210, 3474, 3492, 3852, 3860, 3880, 4280, 4365, 4632, 4815, 5790, 5820, 6420, 6948, 6984, 7704, 7720, 8685, 8730, 9630, 10379, 11580, 11640, 12840, 13896, 17370, 17460, 18721, 19260, 20651, 20758, 23160, 31137, 34740, 34920, 37442, 38520, 41302, 41516, 51895, 56163, 61953, 62274, 69480, 74884, 82604, 83032, 93411, 93605, 103255, 103790, 112326, 123906, 124548, 149768, 155685, 165208, 168489, 185859, 186822, 187210, 206510, 207580, 224652, 247812, 249096, 280815, 309765, 311370, 336978, 371718, 373644, 374420, 413020, 415160, 449304, 467055, 495624, 561630, 619530, 622740, 673956, 743436, 747288, 748840, 826040, 842445, 929295, 934110, 1123260, 1239060, 1245480, 1347912, 1486872, 1684890, 1858590, 1868220, 2003147, 2246520, 2478120, 3369780, 3717180, 3736440, 4006294, 6009441, 6739560, 7434360, 8012588, 10015735, 12018882, 16025176, 18028323, 20031470, 24037764, 30047205, 36056646, 40062940, 48075528, 60094410, 72113292, 80125880, 90141615, 120188820, 144226584, 180283230, 240377640, 360566460, 721132920]

約数ペア:

[(1, 721132920), (2, 360566460), (3, 240377640), (4, 180283230), (5, 144226584), (6, 120188820), (8, 90141615), (9, 80125880), (10, 72113292), (12, 60094410), (15, 48075528), (18, 40062940), (20, 36056646), (24, 30047205), (30, 24037764), (36, 20031470), (40, 18028323), (45, 16025176), (60, 12018882), (72, 10015735), (90, 8012588), (97, 7434360), (107, 6739560), (120, 6009441), (180, 4006294), (193, 3736440), (194, 3717180), (214, 3369780), (291, 2478120), (321, 2246520), (360, 2003147), (386, 1868220), (388, 1858590), (428, 1684890), (485, 1486872), (535, 1347912), (579, 1245480), (582, 1239060), (642, 1123260), (772, 934110), (776, 929295), (856, 842445), (873, 826040), (963, 748840), (965, 747288), (970, 743436), (1070, 673956), (1158, 622740), (1164, 619530), (1284, 561630), (1455, 495624), (1544, 467055), (1605, 449304), (1737, 415160), (1746, 413020), (1926, 374420), (1930, 373644), (1940, 371718), (2140, 336978), (2316, 311370), (2328, 309765), (2568, 280815), (2895, 249096), (2910, 247812), (3210, 224652), (3474, 207580), (3492, 206510), (3852, 187210), (3860, 186822), (3880, 185859), (4280, 168489), (4365, 165208), (4632, 155685), (4815, 149768), (5790, 124548), (5820, 123906), (6420, 112326), (6948, 103790), (6984, 103255), (7704, 93605), (7720, 93411), (8685, 83032), (8730, 82604), (9630, 74884), (10379, 69480), (11580, 62274), (11640, 61953), (12840, 56163), (13896, 51895), (17370, 41516), (17460, 41302), (18721, 38520), (19260, 37442), (20651, 34920), (20758, 34740), (23160, 31137)]