257159340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 858211200

約数和(自身を除く): 601051860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 109, 135, 153, 170, 180, 204, 218, 255, 257, 270, 306, 327, 340, 436, 459, 510, 514, 540, 545, 612, 654, 765, 771, 918, 981, 1020, 1028, 1090, 1285, 1308, 1530, 1542, 1635, 1836, 1853, 1962, 2180, 2295, 2313, 2570, 2943, 3060, 3084, 3270, 3706, 3855, 3924, 4369, 4590, 4626, 4905, 5140, 5559, 5886, 6540, 6939, 7412, 7710, 8738, 9180, 9252, 9265, 9810, 11118, 11565, 11772, 13107, 13878, 14715, 15420, 16677, 17476, 18530, 19620, 21845, 22236, 23130, 26214, 27756, 27795, 28013, 29430, 33354, 34695, 37060, 39321, 43690, 46260, 50031, 52428, 55590, 56026, 58860, 65535, 66708, 69390, 78642, 83385, 84039, 87380, 100062, 111180, 112052, 117963, 131070, 138780, 140065, 157284, 166770, 168078, 196605, 200124, 235926, 250155, 252117, 262140, 280130, 333540, 336156, 393210, 420195, 471852, 476221, 500310, 504234, 560260, 589815, 756351, 786420, 840390, 952442, 1000620, 1008468, 1179630, 1260585, 1428663, 1512702, 1680780, 1904884, 2359260, 2381105, 2521170, 2857326, 3025404, 3781755, 4285989, 4762210, 5042340, 5714652, 7143315, 7563510, 8571978, 9524420, 12857967, 14286630, 15127020, 17143956, 21429945, 25715934, 28573260, 42859890, 51431868, 64289835, 85719780, 128579670, 257159340]

約数ペア:

[(1, 257159340), (2, 128579670), (3, 85719780), (4, 64289835), (5, 51431868), (6, 42859890), (9, 28573260), (10, 25715934), (12, 21429945), (15, 17143956), (17, 15127020), (18, 14286630), (20, 12857967), (27, 9524420), (30, 8571978), (34, 7563510), (36, 7143315), (45, 5714652), (51, 5042340), (54, 4762210), (60, 4285989), (68, 3781755), (85, 3025404), (90, 2857326), (102, 2521170), (108, 2381105), (109, 2359260), (135, 1904884), (153, 1680780), (170, 1512702), (180, 1428663), (204, 1260585), (218, 1179630), (255, 1008468), (257, 1000620), (270, 952442), (306, 840390), (327, 786420), (340, 756351), (436, 589815), (459, 560260), (510, 504234), (514, 500310), (540, 476221), (545, 471852), (612, 420195), (654, 393210), (765, 336156), (771, 333540), (918, 280130), (981, 262140), (1020, 252117), (1028, 250155), (1090, 235926), (1285, 200124), (1308, 196605), (1530, 168078), (1542, 166770), (1635, 157284), (1836, 140065), (1853, 138780), (1962, 131070), (2180, 117963), (2295, 112052), (2313, 111180), (2570, 100062), (2943, 87380), (3060, 84039), (3084, 83385), (3270, 78642), (3706, 69390), (3855, 66708), (3924, 65535), (4369, 58860), (4590, 56026), (4626, 55590), (4905, 52428), (5140, 50031), (5559, 46260), (5886, 43690), (6540, 39321), (6939, 37060), (7412, 34695), (7710, 33354), (8738, 29430), (9180, 28013), (9252, 27795), (9265, 27756), (9810, 26214), (11118, 23130), (11565, 22236), (11772, 21845), (13107, 19620), (13878, 18530), (14715, 17476), (15420, 16677)]