281564640

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{9311}}^1$

素因数の和:9342

約数の個数: 192

約数和(自身を含む): 1126379520

約数和(自身を除く): 844814880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 9311, 10080, 15120, 18622, 27933, 30240, 37244, 46555, 55866, 65177, 74488, 83799, 93110, 111732, 130354, 139665, 148976, 167598, 186220, 195531, 223464, 251397, 260708, 279330, 297952, 325885, 335196, 372440, 391062, 418995, 446928, 502794, 521416, 558660, 586593, 651770, 670392, 744880, 782124, 837990, 893856, 977655, 1005588, 1042832, 1117320, 1173186, 1256985, 1303540, 1340784, 1489760, 1564248, 1675980, 1759779, 1955310, 2011176, 2085664, 2234640, 2346372, 2513970, 2607080, 2681568, 2932965, 3128496, 3351960, 3519558, 3910620, 4022352, 4469280, 4692744, 5027940, 5214160, 5865930, 6256992, 6703920, 7039116, 7821240, 8044704, 8798895, 9385488, 10055880, 10428320, 11731860, 13407840, 14078232, 15642480, 17597790, 18770976, 20111760, 23463720, 28156464, 31284960, 35195580, 40223520, 46927440, 56312928, 70391160, 93854880, 140782320, 281564640]

約数ペア:

[(1, 281564640), (2, 140782320), (3, 93854880), (4, 70391160), (5, 56312928), (6, 46927440), (7, 40223520), (8, 35195580), (9, 31284960), (10, 28156464), (12, 23463720), (14, 20111760), (15, 18770976), (16, 17597790), (18, 15642480), (20, 14078232), (21, 13407840), (24, 11731860), (27, 10428320), (28, 10055880), (30, 9385488), (32, 8798895), (35, 8044704), (36, 7821240), (40, 7039116), (42, 6703920), (45, 6256992), (48, 5865930), (54, 5214160), (56, 5027940), (60, 4692744), (63, 4469280), (70, 4022352), (72, 3910620), (80, 3519558), (84, 3351960), (90, 3128496), (96, 2932965), (105, 2681568), (108, 2607080), (112, 2513970), (120, 2346372), (126, 2234640), (135, 2085664), (140, 2011176), (144, 1955310), (160, 1759779), (168, 1675980), (180, 1564248), (189, 1489760), (210, 1340784), (216, 1303540), (224, 1256985), (240, 1173186), (252, 1117320), (270, 1042832), (280, 1005588), (288, 977655), (315, 893856), (336, 837990), (360, 782124), (378, 744880), (420, 670392), (432, 651770), (480, 586593), (504, 558660), (540, 521416), (560, 502794), (630, 446928), (672, 418995), (720, 391062), (756, 372440), (840, 335196), (864, 325885), (945, 297952), (1008, 279330), (1080, 260708), (1120, 251397), (1260, 223464), (1440, 195531), (1512, 186220), (1680, 167598), (1890, 148976), (2016, 139665), (2160, 130354), (2520, 111732), (3024, 93110), (3360, 83799), (3780, 74488), (4320, 65177), (5040, 55866), (6048, 46555), (7560, 37244), (9311, 30240), (10080, 27933), (15120, 18622)]