251580420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15359}}^1$

素因数の和:15394

約数の個数: 144

約数和(自身を含む): 939294720

約数和(自身を除く): 687714300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15359, 16380, 30718, 46077, 61436, 76795, 92154, 107513, 138231, 153590, 184308, 199667, 215026, 230385, 276462, 307180, 322539, 399334, 430052, 460770, 537565, 552924, 599001, 645078, 691155, 798668, 921540, 967617, 998335, 1075130, 1198002, 1290156, 1382310, 1397669, 1612695, 1797003, 1935234, 1996670, 2150260, 2396004, 2764620, 2795338, 2995005, 3225390, 3594006, 3870468, 3993340, 4193007, 4838085, 5590676, 5990010, 6450780, 6988345, 7188012, 8386014, 8985015, 9676170, 11980020, 12579021, 13976690, 16772028, 17970030, 19352340, 20965035, 25158042, 27953380, 35940060, 41930070, 50316084, 62895105, 83860140, 125790210, 251580420]

約数ペア:

[(1, 251580420), (2, 125790210), (3, 83860140), (4, 62895105), (5, 50316084), (6, 41930070), (7, 35940060), (9, 27953380), (10, 25158042), (12, 20965035), (13, 19352340), (14, 17970030), (15, 16772028), (18, 13976690), (20, 12579021), (21, 11980020), (26, 9676170), (28, 8985015), (30, 8386014), (35, 7188012), (36, 6988345), (39, 6450780), (42, 5990010), (45, 5590676), (52, 4838085), (60, 4193007), (63, 3993340), (65, 3870468), (70, 3594006), (78, 3225390), (84, 2995005), (90, 2795338), (91, 2764620), (105, 2396004), (117, 2150260), (126, 1996670), (130, 1935234), (140, 1797003), (156, 1612695), (180, 1397669), (182, 1382310), (195, 1290156), (210, 1198002), (234, 1075130), (252, 998335), (260, 967617), (273, 921540), (315, 798668), (364, 691155), (390, 645078), (420, 599001), (455, 552924), (468, 537565), (546, 460770), (585, 430052), (630, 399334), (780, 322539), (819, 307180), (910, 276462), (1092, 230385), (1170, 215026), (1260, 199667), (1365, 184308), (1638, 153590), (1820, 138231), (2340, 107513), (2730, 92154), (3276, 76795), (4095, 61436), (5460, 46077), (8190, 30718), (15359, 16380)]