20615585280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:849

約数の個数: 320

約数和(自身を含む): 68654462976

約数和(自身を除く): 48038877696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 131, 155, 160, 186, 192, 240, 248, 256, 262, 310, 320, 372, 384, 393, 465, 480, 496, 512, 524, 620, 640, 655, 661, 744, 768, 786, 930, 960, 992, 1048, 1240, 1280, 1310, 1322, 1488, 1536, 1572, 1860, 1920, 1965, 1983, 1984, 2096, 2480, 2560, 2620, 2644, 2976, 3144, 3305, 3720, 3840, 3930, 3966, 3968, 4061, 4192, 4960, 5240, 5288, 5952, 6288, 6610, 7440, 7680, 7860, 7932, 7936, 8122, 8384, 9915, 9920, 10480, 10576, 11904, 12183, 12576, 13220, 14880, 15720, 15864, 15872, 16244, 16768, 19830, 19840, 20305, 20491, 20960, 21152, 23808, 24366, 25152, 26440, 29760, 31440, 31728, 32488, 33536, 39660, 39680, 40610, 40982, 41920, 42304, 47616, 48732, 50304, 52880, 59520, 60915, 61473, 62880, 63456, 64976, 67072, 79320, 79360, 81220, 81964, 83840, 84608, 86591, 97464, 100608, 102455, 105760, 119040, 121830, 122946, 125760, 126912, 129952, 158640, 162440, 163928, 167680, 169216, 173182, 194928, 201216, 204910, 211520, 238080, 243660, 245892, 251520, 253824, 259773, 259904, 307365, 317280, 324880, 327856, 335360, 338432, 346364, 389856, 409820, 423040, 432955, 487320, 491784, 503040, 507648, 519546, 519808, 614730, 634560, 649760, 655712, 692728, 779712, 819640, 846080, 865910, 974640, 983568, 1006080, 1015296, 1039092, 1039616, 1229460, 1269120, 1298865, 1299520, 1311424, 1385456, 1559424, 1639280, 1692160, 1731820, 1949280, 1967136, 2078184, 2079232, 2458920, 2538240, 2597730, 2599040, 2622848, 2684321, 2770912, 3118848, 3278560, 3463640, 3898560, 3934272, 4156368, 4917840, 5076480, 5195460, 5198080, 5245696, 5368642, 5541824, 6237696, 6557120, 6927280, 7797120, 7868544, 8052963, 8312736, 9835680, 10390920, 10396160, 10491392, 10737284, 11083648, 13114240, 13421605, 13854560, 15594240, 15737088, 16105926, 16625472, 19671360, 20781840, 21474568, 22167296, 26228480, 26843210, 27709120, 31188480, 31474176, 32211852, 33250944, 39342720, 40264815, 41563680, 42949136, 44334592, 52456960, 53686420, 55418240, 64423704, 66501888, 78685440, 80529630, 83127360, 85898272, 107372840, 110836480, 128847408, 133003776, 157370880, 161059260, 166254720, 171796544, 214745680, 221672960, 257694816, 322118520, 332509440, 343593088, 429491360, 515389632, 644237040, 665018880, 687186176, 858982720, 1030779264, 1288474080, 1374372352, 1717965440, 2061558528, 2576948160, 3435930880, 4123117056, 5153896320, 6871861760, 10307792640, 20615585280]

約数ペア:

[(1, 20615585280), (2, 10307792640), (3, 6871861760), (4, 5153896320), (5, 4123117056), (6, 3435930880), (8, 2576948160), (10, 2061558528), (12, 1717965440), (15, 1374372352), (16, 1288474080), (20, 1030779264), (24, 858982720), (30, 687186176), (31, 665018880), (32, 644237040), (40, 515389632), (48, 429491360), (60, 343593088), (62, 332509440), (64, 322118520), (80, 257694816), (93, 221672960), (96, 214745680), (120, 171796544), (124, 166254720), (128, 161059260), (131, 157370880), (155, 133003776), (160, 128847408), (186, 110836480), (192, 107372840), (240, 85898272), (248, 83127360), (256, 80529630), (262, 78685440), (310, 66501888), (320, 64423704), (372, 55418240), (384, 53686420), (393, 52456960), (465, 44334592), (480, 42949136), (496, 41563680), (512, 40264815), (524, 39342720), (620, 33250944), (640, 32211852), (655, 31474176), (661, 31188480), (744, 27709120), (768, 26843210), (786, 26228480), (930, 22167296), (960, 21474568), (992, 20781840), (1048, 19671360), (1240, 16625472), (1280, 16105926), (1310, 15737088), (1322, 15594240), (1488, 13854560), (1536, 13421605), (1572, 13114240), (1860, 11083648), (1920, 10737284), (1965, 10491392), (1983, 10396160), (1984, 10390920), (2096, 9835680), (2480, 8312736), (2560, 8052963), (2620, 7868544), (2644, 7797120), (2976, 6927280), (3144, 6557120), (3305, 6237696), (3720, 5541824), (3840, 5368642), (3930, 5245696), (3966, 5198080), (3968, 5195460), (4061, 5076480), (4192, 4917840), (4960, 4156368), (5240, 3934272), (5288, 3898560), (5952, 3463640), (6288, 3278560), (6610, 3118848), (7440, 2770912), (7680, 2684321), (7860, 2622848), (7932, 2599040), (7936, 2597730), (8122, 2538240), (8384, 2458920), (9915, 2079232), (9920, 2078184), (10480, 1967136), (10576, 1949280), (11904, 1731820), (12183, 1692160), (12576, 1639280), (13220, 1559424), (14880, 1385456), (15720, 1311424), (15864, 1299520), (15872, 1298865), (16244, 1269120), (16768, 1229460), (19830, 1039616), (19840, 1039092), (20305, 1015296), (20491, 1006080), (20960, 983568), (21152, 974640), (23808, 865910), (24366, 846080), (25152, 819640), (26440, 779712), (29760, 692728), (31440, 655712), (31728, 649760), (32488, 634560), (33536, 614730), (39660, 519808), (39680, 519546), (40610, 507648), (40982, 503040), (41920, 491784), (42304, 487320), (47616, 432955), (48732, 423040), (50304, 409820), (52880, 389856), (59520, 346364), (60915, 338432), (61473, 335360), (62880, 327856), (63456, 324880), (64976, 317280), (67072, 307365), (79320, 259904), (79360, 259773), (81220, 253824), (81964, 251520), (83840, 245892), (84608, 243660), (86591, 238080), (97464, 211520), (100608, 204910), (102455, 201216), (105760, 194928), (119040, 173182), (121830, 169216), (122946, 167680), (125760, 163928), (126912, 162440), (129952, 158640)]