256489800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 916548480

約数和(自身を除く): 660058680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 173, 175, 200, 210, 280, 300, 346, 350, 353, 420, 519, 525, 600, 692, 700, 706, 840, 865, 1038, 1050, 1059, 1211, 1384, 1400, 1412, 1730, 1765, 2076, 2100, 2118, 2422, 2471, 2595, 2824, 3460, 3530, 3633, 4152, 4200, 4236, 4325, 4844, 4942, 5190, 5295, 6055, 6920, 7060, 7266, 7413, 8472, 8650, 8825, 9688, 9884, 10380, 10590, 12110, 12355, 12975, 14120, 14532, 14826, 17300, 17650, 18165, 19768, 20760, 21180, 24220, 24710, 25950, 26475, 29064, 29652, 30275, 34600, 35300, 36330, 37065, 42360, 48440, 49420, 51900, 52950, 59304, 60550, 61069, 61775, 70600, 72660, 74130, 90825, 98840, 103800, 105900, 121100, 122138, 123550, 145320, 148260, 181650, 183207, 185325, 211800, 242200, 244276, 247100, 296520, 305345, 363300, 366414, 370650, 427483, 488552, 494200, 610690, 726600, 732828, 741300, 854966, 916035, 1221380, 1282449, 1465656, 1482600, 1526725, 1709932, 1832070, 2137415, 2442760, 2564898, 3053450, 3419864, 3664140, 4274830, 4580175, 5129796, 6106900, 6412245, 7328280, 8549660, 9160350, 10259592, 10687075, 12213800, 12824490, 17099320, 18320700, 21374150, 25648980, 32061225, 36641400, 42748300, 51297960, 64122450, 85496600, 128244900, 256489800]

約数ペア:

[(1, 256489800), (2, 128244900), (3, 85496600), (4, 64122450), (5, 51297960), (6, 42748300), (7, 36641400), (8, 32061225), (10, 25648980), (12, 21374150), (14, 18320700), (15, 17099320), (20, 12824490), (21, 12213800), (24, 10687075), (25, 10259592), (28, 9160350), (30, 8549660), (35, 7328280), (40, 6412245), (42, 6106900), (50, 5129796), (56, 4580175), (60, 4274830), (70, 3664140), (75, 3419864), (84, 3053450), (100, 2564898), (105, 2442760), (120, 2137415), (140, 1832070), (150, 1709932), (168, 1526725), (173, 1482600), (175, 1465656), (200, 1282449), (210, 1221380), (280, 916035), (300, 854966), (346, 741300), (350, 732828), (353, 726600), (420, 610690), (519, 494200), (525, 488552), (600, 427483), (692, 370650), (700, 366414), (706, 363300), (840, 305345), (865, 296520), (1038, 247100), (1050, 244276), (1059, 242200), (1211, 211800), (1384, 185325), (1400, 183207), (1412, 181650), (1730, 148260), (1765, 145320), (2076, 123550), (2100, 122138), (2118, 121100), (2422, 105900), (2471, 103800), (2595, 98840), (2824, 90825), (3460, 74130), (3530, 72660), (3633, 70600), (4152, 61775), (4200, 61069), (4236, 60550), (4325, 59304), (4844, 52950), (4942, 51900), (5190, 49420), (5295, 48440), (6055, 42360), (6920, 37065), (7060, 36330), (7266, 35300), (7413, 34600), (8472, 30275), (8650, 29652), (8825, 29064), (9688, 26475), (9884, 25950), (10380, 24710), (10590, 24220), (12110, 21180), (12355, 20760), (12975, 19768), (14120, 18165), (14532, 17650), (14826, 17300)]