255820320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:688

約数の個数: 288

約数和(自身を含む): 1023684480

約数和(自身を除く): 767864160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 96, 105, 112, 120, 123, 126, 140, 144, 160, 164, 168, 180, 205, 210, 224, 240, 246, 252, 280, 287, 288, 315, 328, 336, 360, 369, 410, 420, 480, 492, 504, 560, 574, 615, 619, 630, 656, 672, 720, 738, 820, 840, 861, 984, 1008, 1120, 1148, 1230, 1238, 1260, 1312, 1435, 1440, 1476, 1640, 1680, 1722, 1845, 1857, 1968, 2016, 2296, 2460, 2476, 2520, 2583, 2870, 2952, 3095, 3280, 3360, 3444, 3690, 3714, 3936, 4305, 4333, 4592, 4920, 4952, 5040, 5166, 5571, 5740, 5904, 6190, 6560, 6888, 7380, 7428, 8610, 8666, 9184, 9285, 9840, 9904, 10080, 10332, 11142, 11480, 11808, 12380, 12915, 12999, 13776, 14760, 14856, 17220, 17332, 18570, 19680, 19808, 20664, 21665, 22284, 22960, 24760, 25379, 25830, 25998, 27552, 27855, 29520, 29712, 34440, 34664, 37140, 38997, 41328, 43330, 44568, 45920, 49520, 50758, 51660, 51996, 55710, 59040, 59424, 64995, 68880, 69328, 74280, 76137, 77994, 82656, 86660, 89136, 99040, 101516, 103320, 103992, 111420, 126895, 129990, 137760, 138656, 148560, 152274, 155988, 173320, 177653, 178272, 194985, 203032, 206640, 207984, 222840, 228411, 253790, 259980, 297120, 304548, 311976, 346640, 355306, 380685, 389970, 406064, 413280, 415968, 445680, 456822, 507580, 519960, 532959, 609096, 623952, 693280, 710612, 761370, 779940, 812128, 888265, 891360, 913644, 1015160, 1039920, 1065918, 1142055, 1218192, 1247904, 1421224, 1522740, 1559880, 1598877, 1776530, 1827288, 2030320, 2079840, 2131836, 2284110, 2436384, 2664795, 2842448, 3045480, 3119760, 3197754, 3553060, 3654576, 4060640, 4263672, 4568220, 5329590, 5684896, 6090960, 6239520, 6395508, 7106120, 7309152, 7994385, 8527344, 9136440, 10659180, 12181920, 12791016, 14212240, 15988770, 17054688, 18272880, 21318360, 25582032, 28424480, 31977540, 36545760, 42636720, 51164064, 63955080, 85273440, 127910160, 255820320]

約数ペア:

[(1, 255820320), (2, 127910160), (3, 85273440), (4, 63955080), (5, 51164064), (6, 42636720), (7, 36545760), (8, 31977540), (9, 28424480), (10, 25582032), (12, 21318360), (14, 18272880), (15, 17054688), (16, 15988770), (18, 14212240), (20, 12791016), (21, 12181920), (24, 10659180), (28, 9136440), (30, 8527344), (32, 7994385), (35, 7309152), (36, 7106120), (40, 6395508), (41, 6239520), (42, 6090960), (45, 5684896), (48, 5329590), (56, 4568220), (60, 4263672), (63, 4060640), (70, 3654576), (72, 3553060), (80, 3197754), (82, 3119760), (84, 3045480), (90, 2842448), (96, 2664795), (105, 2436384), (112, 2284110), (120, 2131836), (123, 2079840), (126, 2030320), (140, 1827288), (144, 1776530), (160, 1598877), (164, 1559880), (168, 1522740), (180, 1421224), (205, 1247904), (210, 1218192), (224, 1142055), (240, 1065918), (246, 1039920), (252, 1015160), (280, 913644), (287, 891360), (288, 888265), (315, 812128), (328, 779940), (336, 761370), (360, 710612), (369, 693280), (410, 623952), (420, 609096), (480, 532959), (492, 519960), (504, 507580), (560, 456822), (574, 445680), (615, 415968), (619, 413280), (630, 406064), (656, 389970), (672, 380685), (720, 355306), (738, 346640), (820, 311976), (840, 304548), (861, 297120), (984, 259980), (1008, 253790), (1120, 228411), (1148, 222840), (1230, 207984), (1238, 206640), (1260, 203032), (1312, 194985), (1435, 178272), (1440, 177653), (1476, 173320), (1640, 155988), (1680, 152274), (1722, 148560), (1845, 138656), (1857, 137760), (1968, 129990), (2016, 126895), (2296, 111420), (2460, 103992), (2476, 103320), (2520, 101516), (2583, 99040), (2870, 89136), (2952, 86660), (3095, 82656), (3280, 77994), (3360, 76137), (3444, 74280), (3690, 69328), (3714, 68880), (3936, 64995), (4305, 59424), (4333, 59040), (4592, 55710), (4920, 51996), (4952, 51660), (5040, 50758), (5166, 49520), (5571, 45920), (5740, 44568), (5904, 43330), (6190, 41328), (6560, 38997), (6888, 37140), (7380, 34664), (7428, 34440), (8610, 29712), (8666, 29520), (9184, 27855), (9285, 27552), (9840, 25998), (9904, 25830), (10080, 25379), (10332, 24760), (11142, 22960), (11480, 22284), (11808, 21665), (12380, 20664), (12915, 19808), (12999, 19680), (13776, 18570), (14760, 17332), (14856, 17220)]