20798900640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1049}}^1$

素因数の和:1365

約数の個数: 432

約数和(自身を含む): 82937017800

約数和(自身を除く): 62138117160

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 281, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 562, 588, 630, 672, 720, 735, 784, 840, 843, 882, 980, 1008, 1049, 1120, 1124, 1176, 1260, 1405, 1440, 1470, 1568, 1680, 1686, 1764, 1960, 1967, 2016, 2098, 2205, 2248, 2352, 2520, 2529, 2810, 2940, 3147, 3360, 3372, 3528, 3920, 3934, 4196, 4215, 4410, 4496, 4704, 5040, 5058, 5245, 5620, 5880, 5901, 6294, 6744, 7056, 7343, 7840, 7868, 8392, 8430, 8820, 8992, 9441, 9835, 10080, 10116, 10490, 11240, 11760, 11802, 12588, 12645, 13488, 13769, 14112, 14686, 15735, 15736, 16784, 16860, 17640, 17703, 18882, 19670, 20232, 20980, 22029, 22480, 23520, 23604, 25176, 25290, 26976, 27538, 29372, 29505, 31470, 31472, 33568, 33720, 35280, 35406, 36715, 37764, 39340, 40464, 41307, 41960, 44058, 44960, 47205, 47208, 50352, 50580, 51401, 55076, 58744, 59010, 62940, 62944, 66087, 67440, 68845, 70560, 70812, 73430, 75528, 78680, 80928, 82614, 83920, 88116, 88515, 94410, 94416, 100704, 101160, 102802, 110145, 110152, 117488, 118020, 123921, 125880, 132174, 134880, 137690, 141624, 146860, 151056, 154203, 157360, 165228, 167840, 176232, 177030, 188820, 188832, 202320, 205604, 206535, 220290, 220304, 234976, 236040, 247842, 251760, 257005, 264348, 275380, 283248, 293720, 294769, 302112, 308406, 314720, 330435, 330456, 352464, 354060, 377640, 404640, 411208, 413070, 440580, 440608, 462609, 472080, 495684, 503520, 514010, 528696, 550760, 566496, 587440, 589538, 616812, 619605, 660870, 660912, 704928, 708120, 755280, 771015, 822416, 826140, 881160, 884307, 925218, 944160, 991368, 1028020, 1057392, 1101520, 1174880, 1179076, 1233624, 1239210, 1321740, 1321824, 1416240, 1473845, 1510560, 1542030, 1644832, 1652280, 1762320, 1768614, 1850436, 1982736, 2056040, 2063383, 2114784, 2203040, 2313045, 2358152, 2467248, 2478420, 2643480, 2652921, 2832480, 2947690, 3084060, 3304560, 3524640, 3537228, 3700872, 3965472, 4112080, 4126766, 4421535, 4626090, 4716304, 4934496, 4956840, 5286960, 5305842, 5895380, 6168120, 6190149, 6609120, 7074456, 7401744, 8224160, 8253532, 8843070, 9252180, 9432608, 9913680, 10316915, 10573920, 10611684, 11790760, 12336240, 12380298, 13264605, 14148912, 14443681, 14803488, 16507064, 17686140, 18504360, 18570447, 19827360, 20633830, 21223368, 23581520, 24672480, 24760596, 26529210, 28297824, 28887362, 30950745, 33014128, 35372280, 37008720, 37140894, 41267660, 42446736, 43331043, 47163040, 49521192, 53058420, 57774724, 61901490, 66028256, 70744560, 72218405, 74017440, 74281788, 82535320, 84893472, 86662086, 92852235, 99042384, 106116840, 115549448, 123802980, 129993129, 141489120, 144436810, 148563576, 165070640, 173324172, 185704470, 198084768, 212233680, 216655215, 231098896, 247605960, 259986258, 288873620, 297127152, 330141280, 346648344, 371408940, 424467360, 433310430, 462197792, 495211920, 519972516, 577747240, 594254304, 649965645, 693296688, 742817880, 866620860, 990423840, 1039945032, 1155494480, 1299931290, 1386593376, 1485635760, 1733241720, 2079890064, 2310988960, 2599862580, 2971271520, 3466483440, 4159780128, 5199725160, 6932966880, 10399450320, 20798900640]

約数ペア:

[(1, 20798900640), (2, 10399450320), (3, 6932966880), (4, 5199725160), (5, 4159780128), (6, 3466483440), (7, 2971271520), (8, 2599862580), (9, 2310988960), (10, 2079890064), (12, 1733241720), (14, 1485635760), (15, 1386593376), (16, 1299931290), (18, 1155494480), (20, 1039945032), (21, 990423840), (24, 866620860), (28, 742817880), (30, 693296688), (32, 649965645), (35, 594254304), (36, 577747240), (40, 519972516), (42, 495211920), (45, 462197792), (48, 433310430), (49, 424467360), (56, 371408940), (60, 346648344), (63, 330141280), (70, 297127152), (72, 288873620), (80, 259986258), (84, 247605960), (90, 231098896), (96, 216655215), (98, 212233680), (105, 198084768), (112, 185704470), (120, 173324172), (126, 165070640), (140, 148563576), (144, 144436810), (147, 141489120), (160, 129993129), (168, 123802980), (180, 115549448), (196, 106116840), (210, 99042384), (224, 92852235), (240, 86662086), (245, 84893472), (252, 82535320), (280, 74281788), (281, 74017440), (288, 72218405), (294, 70744560), (315, 66028256), (336, 61901490), (360, 57774724), (392, 53058420), (420, 49521192), (441, 47163040), (480, 43331043), (490, 42446736), (504, 41267660), (560, 37140894), (562, 37008720), (588, 35372280), (630, 33014128), (672, 30950745), (720, 28887362), (735, 28297824), (784, 26529210), (840, 24760596), (843, 24672480), (882, 23581520), (980, 21223368), (1008, 20633830), (1049, 19827360), (1120, 18570447), (1124, 18504360), (1176, 17686140), (1260, 16507064), (1405, 14803488), (1440, 14443681), (1470, 14148912), (1568, 13264605), (1680, 12380298), (1686, 12336240), (1764, 11790760), (1960, 10611684), (1967, 10573920), (2016, 10316915), (2098, 9913680), (2205, 9432608), (2248, 9252180), (2352, 8843070), (2520, 8253532), (2529, 8224160), (2810, 7401744), (2940, 7074456), (3147, 6609120), (3360, 6190149), (3372, 6168120), (3528, 5895380), (3920, 5305842), (3934, 5286960), (4196, 4956840), (4215, 4934496), (4410, 4716304), (4496, 4626090), (4704, 4421535), (5040, 4126766), (5058, 4112080), (5245, 3965472), (5620, 3700872), (5880, 3537228), (5901, 3524640), (6294, 3304560), (6744, 3084060), (7056, 2947690), (7343, 2832480), (7840, 2652921), (7868, 2643480), (8392, 2478420), (8430, 2467248), (8820, 2358152), (8992, 2313045), (9441, 2203040), (9835, 2114784), (10080, 2063383), (10116, 2056040), (10490, 1982736), (11240, 1850436), (11760, 1768614), (11802, 1762320), (12588, 1652280), (12645, 1644832), (13488, 1542030), (13769, 1510560), (14112, 1473845), (14686, 1416240), (15735, 1321824), (15736, 1321740), (16784, 1239210), (16860, 1233624), (17640, 1179076), (17703, 1174880), (18882, 1101520), (19670, 1057392), (20232, 1028020), (20980, 991368), (22029, 944160), (22480, 925218), (23520, 884307), (23604, 881160), (25176, 826140), (25290, 822416), (26976, 771015), (27538, 755280), (29372, 708120), (29505, 704928), (31470, 660912), (31472, 660870), (33568, 619605), (33720, 616812), (35280, 589538), (35406, 587440), (36715, 566496), (37764, 550760), (39340, 528696), (40464, 514010), (41307, 503520), (41960, 495684), (44058, 472080), (44960, 462609), (47205, 440608), (47208, 440580), (50352, 413070), (50580, 411208), (51401, 404640), (55076, 377640), (58744, 354060), (59010, 352464), (62940, 330456), (62944, 330435), (66087, 314720), (67440, 308406), (68845, 302112), (70560, 294769), (70812, 293720), (73430, 283248), (75528, 275380), (78680, 264348), (80928, 257005), (82614, 251760), (83920, 247842), (88116, 236040), (88515, 234976), (94410, 220304), (94416, 220290), (100704, 206535), (101160, 205604), (102802, 202320), (110145, 188832), (110152, 188820), (117488, 177030), (118020, 176232), (123921, 167840), (125880, 165228), (132174, 157360), (134880, 154203), (137690, 151056), (141624, 146860)]