231428120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2649

約数の個数: 128

約数和(自身を含む): 671846400

約数和(自身を除く): 440418280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 580, 616, 638, 770, 812, 1015, 1160, 1276, 1540, 1595, 1624, 2030, 2233, 2552, 2591, 3080, 3190, 4060, 4466, 5182, 6380, 8120, 8932, 10364, 11165, 12760, 12955, 17864, 18137, 20728, 22330, 25910, 28501, 36274, 44660, 51820, 57002, 72548, 75139, 89320, 90685, 103640, 114004, 142505, 145096, 150278, 181370, 199507, 228008, 285010, 300556, 362740, 375695, 399014, 525973, 570020, 601112, 725480, 751390, 798028, 826529, 997535, 1051946, 1140040, 1502780, 1596056, 1653058, 1995070, 2103892, 2629865, 3005560, 3306116, 3990140, 4132645, 4207784, 5259730, 5785703, 6612232, 7980280, 8265290, 10519460, 11571406, 16530580, 21038920, 23142812, 28928515, 33061160, 46285624, 57857030, 115714060, 231428120]

約数ペア:

[(1, 231428120), (2, 115714060), (4, 57857030), (5, 46285624), (7, 33061160), (8, 28928515), (10, 23142812), (11, 21038920), (14, 16530580), (20, 11571406), (22, 10519460), (28, 8265290), (29, 7980280), (35, 6612232), (40, 5785703), (44, 5259730), (55, 4207784), (56, 4132645), (58, 3990140), (70, 3306116), (77, 3005560), (88, 2629865), (110, 2103892), (116, 1995070), (140, 1653058), (145, 1596056), (154, 1502780), (203, 1140040), (220, 1051946), (232, 997535), (280, 826529), (290, 798028), (308, 751390), (319, 725480), (385, 601112), (406, 570020), (440, 525973), (580, 399014), (616, 375695), (638, 362740), (770, 300556), (812, 285010), (1015, 228008), (1160, 199507), (1276, 181370), (1540, 150278), (1595, 145096), (1624, 142505), (2030, 114004), (2233, 103640), (2552, 90685), (2591, 89320), (3080, 75139), (3190, 72548), (4060, 57002), (4466, 51820), (5182, 44660), (6380, 36274), (8120, 28501), (8932, 25910), (10364, 22330), (11165, 20728), (12760, 18137), (12955, 17864)]