20807871840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29917}}^1$

素因数の和:29971

約数の個数: 384

約数和(自身を含む): 86853150720

約数和(自身を除く): 66045278880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 54, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 160, 161, 168, 180, 184, 189, 207, 210, 216, 224, 230, 240, 252, 270, 276, 280, 288, 315, 322, 336, 345, 360, 368, 378, 414, 420, 432, 460, 480, 483, 504, 540, 552, 560, 621, 630, 644, 672, 690, 720, 736, 756, 805, 828, 840, 864, 920, 945, 966, 1008, 1035, 1080, 1104, 1120, 1242, 1260, 1288, 1380, 1440, 1449, 1512, 1610, 1656, 1680, 1840, 1890, 1932, 2016, 2070, 2160, 2208, 2415, 2484, 2520, 2576, 2760, 2898, 3024, 3105, 3220, 3312, 3360, 3680, 3780, 3864, 4140, 4320, 4347, 4830, 4968, 5040, 5152, 5520, 5796, 6048, 6210, 6440, 6624, 7245, 7560, 7728, 8280, 8694, 9660, 9936, 10080, 11040, 11592, 12420, 12880, 14490, 15120, 15456, 16560, 17388, 19320, 19872, 21735, 23184, 24840, 25760, 28980, 29917, 30240, 33120, 34776, 38640, 43470, 46368, 49680, 57960, 59834, 69552, 77280, 86940, 89751, 99360, 115920, 119668, 139104, 149585, 173880, 179502, 209419, 231840, 239336, 269253, 299170, 347760, 359004, 418838, 448755, 478672, 538506, 598340, 628257, 688091, 695520, 718008, 807759, 837676, 897510, 957344, 1047095, 1077012, 1196680, 1256514, 1346265, 1376182, 1436016, 1615518, 1675352, 1795020, 1884771, 2064273, 2094190, 2154024, 2393360, 2513028, 2692530, 2752364, 2872032, 3141285, 3231036, 3350704, 3440455, 3590040, 3769542, 4038795, 4128546, 4188380, 4308048, 4786720, 4816637, 5026056, 5385060, 5504728, 5654313, 6192819, 6282570, 6462072, 6701408, 6880910, 7180080, 7539084, 8077590, 8257092, 8376760, 8616096, 9423855, 9633274, 10052112, 10321365, 10770120, 11009456, 11308626, 12385638, 12565140, 12924144, 13761820, 14360160, 14449911, 15078168, 16155180, 16514184, 16753520, 18578457, 18847710, 19266548, 20104224, 20642730, 21540240, 22018912, 22617252, 24083185, 24771276, 25130280, 25848288, 27523640, 28271565, 28899822, 30156336, 30964095, 32310360, 33028368, 33507040, 37156914, 37695420, 38533096, 41285460, 43080480, 43349733, 45234504, 48166370, 49542552, 50260560, 55047280, 56543130, 57799644, 60312672, 61928190, 64620720, 66056736, 72249555, 74313828, 75390840, 77066192, 82570920, 86699466, 90469008, 92892285, 96332740, 99085104, 100521120, 110094560, 113086260, 115599288, 123856380, 129241440, 130049199, 144499110, 148627656, 150781680, 154132384, 165141840, 173398932, 180938016, 185784570, 192665480, 198170208, 216748665, 226172520, 231198576, 247712760, 260098398, 288998220, 297255312, 301563360, 330283680, 346797864, 371569140, 385330960, 433497330, 452345040, 462397152, 495425520, 520196796, 577996440, 594510624, 650245995, 693595728, 743138280, 770661920, 866994660, 904690080, 990851040, 1040393592, 1155992880, 1300491990, 1387191456, 1486276560, 1733989320, 2080787184, 2311985760, 2600983980, 2972553120, 3467978640, 4161574368, 5201967960, 6935957280, 10403935920, 20807871840]

約数ペア:

[(1, 20807871840), (2, 10403935920), (3, 6935957280), (4, 5201967960), (5, 4161574368), (6, 3467978640), (7, 2972553120), (8, 2600983980), (9, 2311985760), (10, 2080787184), (12, 1733989320), (14, 1486276560), (15, 1387191456), (16, 1300491990), (18, 1155992880), (20, 1040393592), (21, 990851040), (23, 904690080), (24, 866994660), (27, 770661920), (28, 743138280), (30, 693595728), (32, 650245995), (35, 594510624), (36, 577996440), (40, 520196796), (42, 495425520), (45, 462397152), (46, 452345040), (48, 433497330), (54, 385330960), (56, 371569140), (60, 346797864), (63, 330283680), (69, 301563360), (70, 297255312), (72, 288998220), (80, 260098398), (84, 247712760), (90, 231198576), (92, 226172520), (96, 216748665), (105, 198170208), (108, 192665480), (112, 185784570), (115, 180938016), (120, 173398932), (126, 165141840), (135, 154132384), (138, 150781680), (140, 148627656), (144, 144499110), (160, 130049199), (161, 129241440), (168, 123856380), (180, 115599288), (184, 113086260), (189, 110094560), (207, 100521120), (210, 99085104), (216, 96332740), (224, 92892285), (230, 90469008), (240, 86699466), (252, 82570920), (270, 77066192), (276, 75390840), (280, 74313828), (288, 72249555), (315, 66056736), (322, 64620720), (336, 61928190), (345, 60312672), (360, 57799644), (368, 56543130), (378, 55047280), (414, 50260560), (420, 49542552), (432, 48166370), (460, 45234504), (480, 43349733), (483, 43080480), (504, 41285460), (540, 38533096), (552, 37695420), (560, 37156914), (621, 33507040), (630, 33028368), (644, 32310360), (672, 30964095), (690, 30156336), (720, 28899822), (736, 28271565), (756, 27523640), (805, 25848288), (828, 25130280), (840, 24771276), (864, 24083185), (920, 22617252), (945, 22018912), (966, 21540240), (1008, 20642730), (1035, 20104224), (1080, 19266548), (1104, 18847710), (1120, 18578457), (1242, 16753520), (1260, 16514184), (1288, 16155180), (1380, 15078168), (1440, 14449911), (1449, 14360160), (1512, 13761820), (1610, 12924144), (1656, 12565140), (1680, 12385638), (1840, 11308626), (1890, 11009456), (1932, 10770120), (2016, 10321365), (2070, 10052112), (2160, 9633274), (2208, 9423855), (2415, 8616096), (2484, 8376760), (2520, 8257092), (2576, 8077590), (2760, 7539084), (2898, 7180080), (3024, 6880910), (3105, 6701408), (3220, 6462072), (3312, 6282570), (3360, 6192819), (3680, 5654313), (3780, 5504728), (3864, 5385060), (4140, 5026056), (4320, 4816637), (4347, 4786720), (4830, 4308048), (4968, 4188380), (5040, 4128546), (5152, 4038795), (5520, 3769542), (5796, 3590040), (6048, 3440455), (6210, 3350704), (6440, 3231036), (6624, 3141285), (7245, 2872032), (7560, 2752364), (7728, 2692530), (8280, 2513028), (8694, 2393360), (9660, 2154024), (9936, 2094190), (10080, 2064273), (11040, 1884771), (11592, 1795020), (12420, 1675352), (12880, 1615518), (14490, 1436016), (15120, 1376182), (15456, 1346265), (16560, 1256514), (17388, 1196680), (19320, 1077012), (19872, 1047095), (21735, 957344), (23184, 897510), (24840, 837676), (25760, 807759), (28980, 718008), (29917, 695520), (30240, 688091), (33120, 628257), (34776, 598340), (38640, 538506), (43470, 478672), (46368, 448755), (49680, 418838), (57960, 359004), (59834, 347760), (69552, 299170), (77280, 269253), (86940, 239336), (89751, 231840), (99360, 209419), (115920, 179502), (119668, 173880), (139104, 149585)]