315090720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31259}}^1$

素因数の和:31287

約数の個数: 144

約数和(自身を含む): 1228893120

約数和(自身を除く): 913802400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 31259, 62518, 93777, 125036, 156295, 187554, 218813, 250072, 281331, 312590, 375108, 437626, 468885, 500144, 562662, 625180, 656439, 750216, 875252, 937770, 1000288, 1094065, 1125324, 1250360, 1312878, 1406655, 1500432, 1750504, 1875540, 1969317, 2188130, 2250648, 2500720, 2625756, 2813310, 3000864, 3282195, 3501008, 3751080, 3938634, 4376260, 4501296, 5001440, 5251512, 5626620, 6564390, 7002016, 7502160, 7877268, 8752520, 9002592, 9846585, 10503024, 11253240, 13128780, 15004320, 15754536, 17505040, 19693170, 21006048, 22506480, 26257560, 31509072, 35010080, 39386340, 45012960, 52515120, 63018144, 78772680, 105030240, 157545360, 315090720]

約数ペア:

[(1, 315090720), (2, 157545360), (3, 105030240), (4, 78772680), (5, 63018144), (6, 52515120), (7, 45012960), (8, 39386340), (9, 35010080), (10, 31509072), (12, 26257560), (14, 22506480), (15, 21006048), (16, 19693170), (18, 17505040), (20, 15754536), (21, 15004320), (24, 13128780), (28, 11253240), (30, 10503024), (32, 9846585), (35, 9002592), (36, 8752520), (40, 7877268), (42, 7502160), (45, 7002016), (48, 6564390), (56, 5626620), (60, 5251512), (63, 5001440), (70, 4501296), (72, 4376260), (80, 3938634), (84, 3751080), (90, 3501008), (96, 3282195), (105, 3000864), (112, 2813310), (120, 2625756), (126, 2500720), (140, 2250648), (144, 2188130), (160, 1969317), (168, 1875540), (180, 1750504), (210, 1500432), (224, 1406655), (240, 1312878), (252, 1250360), (280, 1125324), (288, 1094065), (315, 1000288), (336, 937770), (360, 875252), (420, 750216), (480, 656439), (504, 625180), (560, 562662), (630, 500144), (672, 468885), (720, 437626), (840, 375108), (1008, 312590), (1120, 281331), (1260, 250072), (1440, 218813), (1680, 187554), (2016, 156295), (2520, 125036), (3360, 93777), (5040, 62518), (10080, 31259)]