821018520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 384

約数和(自身を含む): 3191760000

約数和(自身を除く): 2370741480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 61, 63, 70, 72, 84, 90, 98, 105, 109, 120, 122, 126, 140, 147, 168, 180, 183, 196, 210, 218, 244, 245, 252, 280, 294, 305, 315, 327, 343, 360, 366, 392, 420, 427, 436, 441, 488, 490, 504, 545, 549, 588, 610, 630, 654, 686, 732, 735, 763, 840, 854, 872, 882, 915, 980, 981, 1029, 1090, 1098, 1176, 1220, 1260, 1281, 1308, 1372, 1464, 1470, 1526, 1635, 1708, 1715, 1764, 1830, 1960, 1962, 2058, 2135, 2180, 2196, 2205, 2289, 2440, 2520, 2562, 2616, 2744, 2745, 2940, 2989, 3052, 3087, 3270, 3416, 3430, 3528, 3660, 3815, 3843, 3924, 4116, 4270, 4360, 4392, 4410, 4578, 4905, 5124, 5145, 5341, 5490, 5880, 5978, 6104, 6174, 6405, 6540, 6649, 6860, 6867, 7320, 7630, 7686, 7848, 8232, 8540, 8820, 8967, 9156, 9810, 10248, 10290, 10682, 10980, 11445, 11956, 12348, 12810, 13080, 13298, 13720, 13734, 14945, 15260, 15372, 15435, 16023, 17080, 17640, 17934, 18312, 19215, 19620, 19947, 20580, 20923, 21364, 21960, 22890, 23912, 24696, 25620, 26596, 26705, 26901, 27468, 29890, 30520, 30744, 30870, 32046, 33245, 34335, 35868, 37387, 38430, 39240, 39894, 41160, 41846, 42728, 44835, 45780, 46543, 48069, 51240, 53192, 53410, 53802, 54936, 59780, 59841, 61740, 62769, 64092, 66490, 68670, 71736, 74774, 76860, 79788, 80115, 83692, 89670, 91560, 93086, 96138, 99735, 104615, 106820, 107604, 112161, 119560, 119682, 123480, 125538, 128184, 132980, 134505, 137340, 139629, 149548, 153720, 159576, 160230, 167384, 179340, 186172, 186935, 188307, 192276, 199470, 209230, 213640, 215208, 224322, 232715, 239364, 240345, 251076, 265960, 269010, 274680, 279258, 299096, 299205, 313845, 320460, 325801, 336483, 358680, 372344, 373870, 376614, 384552, 398940, 418460, 418887, 448644, 465430, 478728, 480690, 502152, 538020, 558516, 560805, 598410, 627690, 640920, 651602, 672966, 698145, 747740, 753228, 797880, 836920, 837774, 897288, 930860, 941535, 961380, 977403, 1076040, 1117032, 1121610, 1196820, 1255380, 1303204, 1345932, 1396290, 1495480, 1506456, 1629005, 1675548, 1682415, 1861720, 1883070, 1922760, 1954806, 2094435, 2243220, 2280607, 2393640, 2510760, 2606408, 2691864, 2792580, 2932209, 3258010, 3351096, 3364830, 3766140, 3909612, 4188870, 4486440, 4561214, 4887015, 5585160, 5864418, 6516020, 6729660, 6841821, 7532280, 7819224, 8377740, 9122428, 9774030, 11403035, 11728836, 13032040, 13459320, 13683642, 14661045, 16755480, 18244856, 19548060, 20525463, 22806070, 23457672, 27367284, 29322090, 34209105, 39096120, 41050926, 45612140, 54734568, 58644180, 68418210, 82101852, 91224280, 102627315, 117288360, 136836420, 164203704, 205254630, 273672840, 410509260, 821018520]

約数ペア:

[(1, 821018520), (2, 410509260), (3, 273672840), (4, 205254630), (5, 164203704), (6, 136836420), (7, 117288360), (8, 102627315), (9, 91224280), (10, 82101852), (12, 68418210), (14, 58644180), (15, 54734568), (18, 45612140), (20, 41050926), (21, 39096120), (24, 34209105), (28, 29322090), (30, 27367284), (35, 23457672), (36, 22806070), (40, 20525463), (42, 19548060), (45, 18244856), (49, 16755480), (56, 14661045), (60, 13683642), (61, 13459320), (63, 13032040), (70, 11728836), (72, 11403035), (84, 9774030), (90, 9122428), (98, 8377740), (105, 7819224), (109, 7532280), (120, 6841821), (122, 6729660), (126, 6516020), (140, 5864418), (147, 5585160), (168, 4887015), (180, 4561214), (183, 4486440), (196, 4188870), (210, 3909612), (218, 3766140), (244, 3364830), (245, 3351096), (252, 3258010), (280, 2932209), (294, 2792580), (305, 2691864), (315, 2606408), (327, 2510760), (343, 2393640), (360, 2280607), (366, 2243220), (392, 2094435), (420, 1954806), (427, 1922760), (436, 1883070), (441, 1861720), (488, 1682415), (490, 1675548), (504, 1629005), (545, 1506456), (549, 1495480), (588, 1396290), (610, 1345932), (630, 1303204), (654, 1255380), (686, 1196820), (732, 1121610), (735, 1117032), (763, 1076040), (840, 977403), (854, 961380), (872, 941535), (882, 930860), (915, 897288), (980, 837774), (981, 836920), (1029, 797880), (1090, 753228), (1098, 747740), (1176, 698145), (1220, 672966), (1260, 651602), (1281, 640920), (1308, 627690), (1372, 598410), (1464, 560805), (1470, 558516), (1526, 538020), (1635, 502152), (1708, 480690), (1715, 478728), (1764, 465430), (1830, 448644), (1960, 418887), (1962, 418460), (2058, 398940), (2135, 384552), (2180, 376614), (2196, 373870), (2205, 372344), (2289, 358680), (2440, 336483), (2520, 325801), (2562, 320460), (2616, 313845), (2744, 299205), (2745, 299096), (2940, 279258), (2989, 274680), (3052, 269010), (3087, 265960), (3270, 251076), (3416, 240345), (3430, 239364), (3528, 232715), (3660, 224322), (3815, 215208), (3843, 213640), (3924, 209230), (4116, 199470), (4270, 192276), (4360, 188307), (4392, 186935), (4410, 186172), (4578, 179340), (4905, 167384), (5124, 160230), (5145, 159576), (5341, 153720), (5490, 149548), (5880, 139629), (5978, 137340), (6104, 134505), (6174, 132980), (6405, 128184), (6540, 125538), (6649, 123480), (6860, 119682), (6867, 119560), (7320, 112161), (7630, 107604), (7686, 106820), (7848, 104615), (8232, 99735), (8540, 96138), (8820, 93086), (8967, 91560), (9156, 89670), (9810, 83692), (10248, 80115), (10290, 79788), (10682, 76860), (10980, 74774), (11445, 71736), (11956, 68670), (12348, 66490), (12810, 64092), (13080, 62769), (13298, 61740), (13720, 59841), (13734, 59780), (14945, 54936), (15260, 53802), (15372, 53410), (15435, 53192), (16023, 51240), (17080, 48069), (17640, 46543), (17934, 45780), (18312, 44835), (19215, 42728), (19620, 41846), (19947, 41160), (20580, 39894), (20923, 39240), (21364, 38430), (21960, 37387), (22890, 35868), (23912, 34335), (24696, 33245), (25620, 32046), (26596, 30870), (26705, 30744), (26901, 30520), (27468, 29890)]