31579520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 94186800

約数和(自身を除く): 62607280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 53, 56, 64, 70, 76, 80, 95, 98, 106, 112, 128, 133, 140, 152, 160, 190, 196, 212, 224, 245, 265, 266, 280, 304, 320, 371, 380, 392, 424, 448, 490, 530, 532, 560, 608, 640, 665, 742, 760, 784, 848, 896, 931, 980, 1007, 1060, 1064, 1120, 1216, 1330, 1484, 1520, 1568, 1696, 1855, 1862, 1960, 2014, 2120, 2128, 2240, 2432, 2597, 2660, 2968, 3040, 3136, 3392, 3710, 3724, 3920, 4028, 4240, 4256, 4480, 4655, 5035, 5194, 5320, 5936, 6080, 6272, 6784, 7049, 7420, 7448, 7840, 8056, 8480, 8512, 9310, 10070, 10388, 10640, 11872, 12160, 12985, 14098, 14840, 14896, 15680, 16112, 16960, 17024, 18620, 20140, 20776, 21280, 23744, 25970, 28196, 29680, 29792, 31360, 32224, 33920, 35245, 37240, 40280, 41552, 42560, 47488, 49343, 51940, 56392, 59360, 59584, 64448, 70490, 74480, 80560, 83104, 85120, 98686, 103880, 112784, 118720, 119168, 128896, 140980, 148960, 161120, 166208, 197372, 207760, 225568, 237440, 246715, 281960, 297920, 322240, 332416, 394744, 415520, 451136, 493430, 563920, 595840, 644480, 789488, 831040, 902272, 986860, 1127840, 1578976, 1662080, 1973720, 2255680, 3157952, 3947440, 4511360, 6315904, 7894880, 15789760, 31579520]

約数ペア:

[(1, 31579520), (2, 15789760), (4, 7894880), (5, 6315904), (7, 4511360), (8, 3947440), (10, 3157952), (14, 2255680), (16, 1973720), (19, 1662080), (20, 1578976), (28, 1127840), (32, 986860), (35, 902272), (38, 831040), (40, 789488), (49, 644480), (53, 595840), (56, 563920), (64, 493430), (70, 451136), (76, 415520), (80, 394744), (95, 332416), (98, 322240), (106, 297920), (112, 281960), (128, 246715), (133, 237440), (140, 225568), (152, 207760), (160, 197372), (190, 166208), (196, 161120), (212, 148960), (224, 140980), (245, 128896), (265, 119168), (266, 118720), (280, 112784), (304, 103880), (320, 98686), (371, 85120), (380, 83104), (392, 80560), (424, 74480), (448, 70490), (490, 64448), (530, 59584), (532, 59360), (560, 56392), (608, 51940), (640, 49343), (665, 47488), (742, 42560), (760, 41552), (784, 40280), (848, 37240), (896, 35245), (931, 33920), (980, 32224), (1007, 31360), (1060, 29792), (1064, 29680), (1120, 28196), (1216, 25970), (1330, 23744), (1484, 21280), (1520, 20776), (1568, 20140), (1696, 18620), (1855, 17024), (1862, 16960), (1960, 16112), (2014, 15680), (2120, 14896), (2128, 14840), (2240, 14098), (2432, 12985), (2597, 12160), (2660, 11872), (2968, 10640), (3040, 10388), (3136, 10070), (3392, 9310), (3710, 8512), (3724, 8480), (3920, 8056), (4028, 7840), (4240, 7448), (4256, 7420), (4480, 7049), (4655, 6784), (5035, 6272), (5194, 6080), (5320, 5936)]