129218240

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 112

約数和(自身を含む): 330829920

約数和(自身を除く): 201611680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 152, 160, 190, 212, 265, 304, 320, 380, 401, 424, 530, 608, 760, 802, 848, 1007, 1060, 1216, 1520, 1604, 1696, 2005, 2014, 2120, 3040, 3208, 3392, 4010, 4028, 4240, 5035, 6080, 6416, 7619, 8020, 8056, 8480, 10070, 12832, 15238, 16040, 16112, 16960, 20140, 21253, 25664, 30476, 32080, 32224, 38095, 40280, 42506, 60952, 64160, 64448, 76190, 80560, 85012, 106265, 121904, 128320, 152380, 161120, 170024, 212530, 243808, 304760, 322240, 340048, 403807, 425060, 487616, 609520, 680096, 807614, 850120, 1219040, 1360192, 1615228, 1700240, 2019035, 2438080, 3230456, 3400480, 4038070, 6460912, 6800960, 8076140, 12921824, 16152280, 25843648, 32304560, 64609120, 129218240]

約数ペア:

[(1, 129218240), (2, 64609120), (4, 32304560), (5, 25843648), (8, 16152280), (10, 12921824), (16, 8076140), (19, 6800960), (20, 6460912), (32, 4038070), (38, 3400480), (40, 3230456), (53, 2438080), (64, 2019035), (76, 1700240), (80, 1615228), (95, 1360192), (106, 1219040), (152, 850120), (160, 807614), (190, 680096), (212, 609520), (265, 487616), (304, 425060), (320, 403807), (380, 340048), (401, 322240), (424, 304760), (530, 243808), (608, 212530), (760, 170024), (802, 161120), (848, 152380), (1007, 128320), (1060, 121904), (1216, 106265), (1520, 85012), (1604, 80560), (1696, 76190), (2005, 64448), (2014, 64160), (2120, 60952), (3040, 42506), (3208, 40280), (3392, 38095), (4010, 32224), (4028, 32080), (4240, 30476), (5035, 25664), (6080, 21253), (6416, 20140), (7619, 16960), (8020, 16112), (8056, 16040), (8480, 15238), (10070, 12832)]