20213162520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1498

約数の個数: 256

約数和(自身を含む): 65824358400

約数和(自身を除く): 45611195880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 127, 136, 170, 183, 204, 244, 254, 255, 305, 340, 366, 381, 408, 488, 508, 510, 610, 635, 680, 732, 762, 915, 1016, 1020, 1037, 1220, 1270, 1279, 1464, 1524, 1830, 1905, 2040, 2074, 2159, 2440, 2540, 2558, 3048, 3111, 3660, 3810, 3837, 4148, 4318, 5080, 5116, 5185, 6222, 6395, 6477, 7320, 7620, 7674, 7747, 8296, 8636, 10232, 10370, 10795, 12444, 12790, 12954, 15240, 15348, 15494, 15555, 17272, 19185, 20740, 21590, 21743, 23241, 24888, 25580, 25908, 30696, 30988, 31110, 32385, 38370, 38735, 41480, 43180, 43486, 46482, 51160, 51816, 61976, 62220, 64770, 65229, 76740, 77470, 78019, 86360, 86972, 92964, 108715, 116205, 124440, 129540, 130458, 131699, 153480, 154940, 156038, 162433, 173944, 185928, 217430, 232410, 234057, 259080, 260916, 263398, 309880, 312076, 324866, 326145, 390095, 395097, 434860, 464820, 468114, 487299, 521832, 526796, 624152, 649732, 652290, 658495, 780190, 790194, 812165, 869720, 929640, 936228, 974598, 1053592, 1170285, 1299464, 1304580, 1316990, 1326323, 1560380, 1580388, 1624330, 1872456, 1949196, 1975485, 2340570, 2436495, 2609160, 2633980, 2652646, 2761361, 3120760, 3160776, 3248660, 3898392, 3950970, 3978969, 4681140, 4872990, 5267960, 5305292, 5522722, 6497320, 6631615, 7901940, 7957938, 8284083, 9362280, 9745980, 9908413, 10610584, 11045444, 13263230, 13806805, 15803880, 15915876, 16568166, 19491960, 19816826, 19894845, 22090888, 26526460, 27613610, 29725239, 31831752, 33136332, 39633652, 39789690, 41420415, 49542065, 53052920, 55227220, 59450478, 66272664, 79267304, 79579380, 82840830, 99084130, 110454440, 118900956, 148626195, 159158760, 165681660, 168443021, 198168260, 237801912, 297252390, 331363320, 336886042, 396336520, 505329063, 594504780, 673772084, 842215105, 1010658126, 1189009560, 1347544168, 1684430210, 2021316252, 2526645315, 3368860420, 4042632504, 5053290630, 6737720840, 10106581260, 20213162520]

約数ペア:

[(1, 20213162520), (2, 10106581260), (3, 6737720840), (4, 5053290630), (5, 4042632504), (6, 3368860420), (8, 2526645315), (10, 2021316252), (12, 1684430210), (15, 1347544168), (17, 1189009560), (20, 1010658126), (24, 842215105), (30, 673772084), (34, 594504780), (40, 505329063), (51, 396336520), (60, 336886042), (61, 331363320), (68, 297252390), (85, 237801912), (102, 198168260), (120, 168443021), (122, 165681660), (127, 159158760), (136, 148626195), (170, 118900956), (183, 110454440), (204, 99084130), (244, 82840830), (254, 79579380), (255, 79267304), (305, 66272664), (340, 59450478), (366, 55227220), (381, 53052920), (408, 49542065), (488, 41420415), (508, 39789690), (510, 39633652), (610, 33136332), (635, 31831752), (680, 29725239), (732, 27613610), (762, 26526460), (915, 22090888), (1016, 19894845), (1020, 19816826), (1037, 19491960), (1220, 16568166), (1270, 15915876), (1279, 15803880), (1464, 13806805), (1524, 13263230), (1830, 11045444), (1905, 10610584), (2040, 9908413), (2074, 9745980), (2159, 9362280), (2440, 8284083), (2540, 7957938), (2558, 7901940), (3048, 6631615), (3111, 6497320), (3660, 5522722), (3810, 5305292), (3837, 5267960), (4148, 4872990), (4318, 4681140), (5080, 3978969), (5116, 3950970), (5185, 3898392), (6222, 3248660), (6395, 3160776), (6477, 3120760), (7320, 2761361), (7620, 2652646), (7674, 2633980), (7747, 2609160), (8296, 2436495), (8636, 2340570), (10232, 1975485), (10370, 1949196), (10795, 1872456), (12444, 1624330), (12790, 1580388), (12954, 1560380), (15240, 1326323), (15348, 1316990), (15494, 1304580), (15555, 1299464), (17272, 1170285), (19185, 1053592), (20740, 974598), (21590, 936228), (21743, 929640), (23241, 869720), (24888, 812165), (25580, 790194), (25908, 780190), (30696, 658495), (30988, 652290), (31110, 649732), (32385, 624152), (38370, 526796), (38735, 521832), (41480, 487299), (43180, 468114), (43486, 464820), (46482, 434860), (51160, 395097), (51816, 390095), (61976, 326145), (62220, 324866), (64770, 312076), (65229, 309880), (76740, 263398), (77470, 260916), (78019, 259080), (86360, 234057), (86972, 232410), (92964, 217430), (108715, 185928), (116205, 173944), (124440, 162433), (129540, 156038), (130458, 154940), (131699, 153480)]