205328520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:649

約数の個数: 160

約数和(自身を含む): 696960000

約数和(自身を除く): 491631480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 127, 135, 162, 180, 216, 254, 270, 324, 360, 381, 405, 499, 508, 540, 635, 648, 762, 810, 998, 1016, 1080, 1143, 1270, 1497, 1524, 1620, 1905, 1996, 2286, 2495, 2540, 2994, 3048, 3240, 3429, 3810, 3992, 4491, 4572, 4990, 5080, 5715, 5988, 6858, 7485, 7620, 8982, 9144, 9980, 10287, 11430, 11976, 13473, 13716, 14970, 15240, 17145, 17964, 19960, 20574, 22455, 22860, 26946, 27432, 29940, 34290, 35928, 40419, 41148, 44910, 45720, 51435, 53892, 59880, 63373, 67365, 68580, 80838, 82296, 89820, 102870, 107784, 126746, 134730, 137160, 161676, 179640, 190119, 202095, 205740, 253492, 269460, 316865, 323352, 380238, 404190, 411480, 506984, 538920, 570357, 633730, 760476, 808380, 950595, 1140714, 1267460, 1520952, 1616760, 1711071, 1901190, 2281428, 2534920, 2851785, 3422142, 3802380, 4562856, 5133213, 5703570, 6844284, 7604760, 8555355, 10266426, 11407140, 13688568, 17110710, 20532852, 22814280, 25666065, 34221420, 41065704, 51332130, 68442840, 102664260, 205328520]

約数ペア:

[(1, 205328520), (2, 102664260), (3, 68442840), (4, 51332130), (5, 41065704), (6, 34221420), (8, 25666065), (9, 22814280), (10, 20532852), (12, 17110710), (15, 13688568), (18, 11407140), (20, 10266426), (24, 8555355), (27, 7604760), (30, 6844284), (36, 5703570), (40, 5133213), (45, 4562856), (54, 3802380), (60, 3422142), (72, 2851785), (81, 2534920), (90, 2281428), (108, 1901190), (120, 1711071), (127, 1616760), (135, 1520952), (162, 1267460), (180, 1140714), (216, 950595), (254, 808380), (270, 760476), (324, 633730), (360, 570357), (381, 538920), (405, 506984), (499, 411480), (508, 404190), (540, 380238), (635, 323352), (648, 316865), (762, 269460), (810, 253492), (998, 205740), (1016, 202095), (1080, 190119), (1143, 179640), (1270, 161676), (1497, 137160), (1524, 134730), (1620, 126746), (1905, 107784), (1996, 102870), (2286, 89820), (2495, 82296), (2540, 80838), (2994, 68580), (3048, 67365), (3240, 63373), (3429, 59880), (3810, 53892), (3992, 51435), (4491, 45720), (4572, 44910), (4990, 41148), (5080, 40419), (5715, 35928), (5988, 34290), (6858, 29940), (7485, 27432), (7620, 26946), (8982, 22860), (9144, 22455), (9980, 20574), (10287, 19960), (11430, 17964), (11976, 17145), (13473, 15240), (13716, 14970)]