172781280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 288

約数和(自身を含む): 687331008

約数和(自身を除く): 514549728

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, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 122, 126, 140, 144, 160, 168, 180, 183, 210, 224, 240, 244, 252, 280, 281, 288, 305, 315, 336, 360, 366, 420, 427, 480, 488, 504, 549, 560, 562, 610, 630, 672, 720, 732, 840, 843, 854, 915, 976, 1008, 1098, 1120, 1124, 1220, 1260, 1281, 1405, 1440, 1464, 1680, 1686, 1708, 1830, 1952, 1967, 2016, 2135, 2196, 2248, 2440, 2520, 2529, 2562, 2745, 2810, 2928, 3360, 3372, 3416, 3660, 3843, 3934, 4215, 4270, 4392, 4496, 4880, 5040, 5058, 5124, 5490, 5620, 5856, 5901, 6405, 6744, 6832, 7320, 7686, 7868, 8430, 8540, 8784, 8992, 9760, 9835, 10080, 10116, 10248, 10980, 11240, 11802, 12645, 12810, 13488, 13664, 14640, 15372, 15736, 16860, 17080, 17141, 17568, 17703, 19215, 19670, 20232, 20496, 21960, 22480, 23604, 25290, 25620, 26976, 29280, 29505, 30744, 31472, 33720, 34160, 34282, 35406, 38430, 39340, 40464, 40992, 43920, 44960, 47208, 50580, 51240, 51423, 59010, 61488, 62944, 67440, 68320, 68564, 70812, 76860, 78680, 80928, 85705, 87840, 88515, 94416, 101160, 102480, 102846, 118020, 119987, 122976, 134880, 137128, 141624, 153720, 154269, 157360, 171410, 177030, 188832, 202320, 204960, 205692, 236040, 239974, 257115, 274256, 283248, 307440, 308538, 314720, 342820, 354060, 359961, 404640, 411384, 472080, 479948, 514230, 548512, 566496, 599935, 614880, 617076, 685640, 708120, 719922, 771345, 822768, 944160, 959896, 1028460, 1079883, 1199870, 1234152, 1371280, 1416240, 1439844, 1542690, 1645536, 1799805, 1919792, 2056920, 2159766, 2399740, 2468304, 2742560, 2832480, 2879688, 3085380, 3599610, 3839584, 4113840, 4319532, 4799480, 4936608, 5399415, 5759376, 6170760, 7199220, 8227680, 8639064, 9598960, 10798830, 11518752, 12341520, 14398440, 17278128, 19197920, 21597660, 24683040, 28796880, 34556256, 43195320, 57593760, 86390640, 172781280]

約数ペア:

[(1, 172781280), (2, 86390640), (3, 57593760), (4, 43195320), (5, 34556256), (6, 28796880), (7, 24683040), (8, 21597660), (9, 19197920), (10, 17278128), (12, 14398440), (14, 12341520), (15, 11518752), (16, 10798830), (18, 9598960), (20, 8639064), (21, 8227680), (24, 7199220), (28, 6170760), (30, 5759376), (32, 5399415), (35, 4936608), (36, 4799480), (40, 4319532), (42, 4113840), (45, 3839584), (48, 3599610), (56, 3085380), (60, 2879688), (61, 2832480), (63, 2742560), (70, 2468304), (72, 2399740), (80, 2159766), (84, 2056920), (90, 1919792), (96, 1799805), (105, 1645536), (112, 1542690), (120, 1439844), (122, 1416240), (126, 1371280), (140, 1234152), (144, 1199870), (160, 1079883), (168, 1028460), (180, 959896), (183, 944160), (210, 822768), (224, 771345), (240, 719922), (244, 708120), (252, 685640), (280, 617076), (281, 614880), (288, 599935), (305, 566496), (315, 548512), (336, 514230), (360, 479948), (366, 472080), (420, 411384), (427, 404640), (480, 359961), (488, 354060), (504, 342820), (549, 314720), (560, 308538), (562, 307440), (610, 283248), (630, 274256), (672, 257115), (720, 239974), (732, 236040), (840, 205692), (843, 204960), (854, 202320), (915, 188832), (976, 177030), (1008, 171410), (1098, 157360), (1120, 154269), (1124, 153720), (1220, 141624), (1260, 137128), (1281, 134880), (1405, 122976), (1440, 119987), (1464, 118020), (1680, 102846), (1686, 102480), (1708, 101160), (1830, 94416), (1952, 88515), (1967, 87840), (2016, 85705), (2135, 80928), (2196, 78680), (2248, 76860), (2440, 70812), (2520, 68564), (2529, 68320), (2562, 67440), (2745, 62944), (2810, 61488), (2928, 59010), (3360, 51423), (3372, 51240), (3416, 50580), (3660, 47208), (3843, 44960), (3934, 43920), (4215, 40992), (4270, 40464), (4392, 39340), (4496, 38430), (4880, 35406), (5040, 34282), (5058, 34160), (5124, 33720), (5490, 31472), (5620, 30744), (5856, 29505), (5901, 29280), (6405, 26976), (6744, 25620), (6832, 25290), (7320, 23604), (7686, 22480), (7868, 21960), (8430, 20496), (8540, 20232), (8784, 19670), (8992, 19215), (9760, 17703), (9835, 17568), (10080, 17141), (10116, 17080), (10248, 16860), (10980, 15736), (11240, 15372), (11802, 14640), (12645, 13664), (12810, 13488)]