19978767360

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{829}}^1$

素因数の和:1383

約数の個数: 264

約数和(自身を含む): 69441936720

約数和(自身を除く): 49463169360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 523, 576, 640, 720, 768, 829, 960, 1024, 1046, 1152, 1280, 1440, 1536, 1569, 1658, 1920, 2092, 2304, 2487, 2560, 2615, 2880, 3072, 3138, 3316, 3840, 4145, 4184, 4608, 4707, 4974, 5120, 5230, 5760, 6276, 6632, 7461, 7680, 7845, 8290, 8368, 9216, 9414, 9948, 10460, 11520, 12435, 12552, 13264, 14922, 15360, 15690, 16580, 16736, 18828, 19896, 20920, 23040, 23535, 24870, 25104, 26528, 29844, 31380, 33160, 33472, 37305, 37656, 39792, 41840, 46080, 47070, 49740, 50208, 53056, 59688, 62760, 66320, 66944, 74610, 75312, 79584, 83680, 94140, 99480, 100416, 106112, 119376, 125520, 132640, 133888, 149220, 150624, 159168, 167360, 188280, 198960, 200832, 212224, 238752, 251040, 265280, 267776, 298440, 301248, 318336, 334720, 376560, 397920, 401664, 424448, 433567, 477504, 502080, 530560, 535552, 596880, 602496, 636672, 669440, 753120, 795840, 803328, 848896, 867134, 955008, 1004160, 1061120, 1193760, 1204992, 1273344, 1300701, 1338880, 1506240, 1591680, 1606656, 1734268, 1910016, 2008320, 2122240, 2167835, 2387520, 2409984, 2546688, 2601402, 2677760, 3012480, 3183360, 3468536, 3820032, 3902103, 4016640, 4244480, 4335670, 4775040, 4819968, 5202804, 6024960, 6366720, 6503505, 6937072, 7640064, 7804206, 8033280, 8671340, 9550080, 10405608, 12049920, 12733440, 13007010, 13874144, 15608412, 17342680, 19100160, 19510515, 20811216, 24099840, 26014020, 27748288, 31216824, 34685360, 38200320, 39021030, 41622432, 52028040, 55496576, 62433648, 69370720, 78042060, 83244864, 104056080, 110993152, 124867296, 138741440, 156084120, 166489728, 208112160, 221986304, 249734592, 277482880, 312168240, 332979456, 416224320, 443972608, 499469184, 554965760, 624336480, 665958912, 832448640, 998938368, 1109931520, 1248672960, 1331917824, 1664897280, 1997876736, 2219863040, 2497345920, 3329794560, 3995753472, 4994691840, 6659589120, 9989383680, 19978767360]

約数ペア:

[(1, 19978767360), (2, 9989383680), (3, 6659589120), (4, 4994691840), (5, 3995753472), (6, 3329794560), (8, 2497345920), (9, 2219863040), (10, 1997876736), (12, 1664897280), (15, 1331917824), (16, 1248672960), (18, 1109931520), (20, 998938368), (24, 832448640), (30, 665958912), (32, 624336480), (36, 554965760), (40, 499469184), (45, 443972608), (48, 416224320), (60, 332979456), (64, 312168240), (72, 277482880), (80, 249734592), (90, 221986304), (96, 208112160), (120, 166489728), (128, 156084120), (144, 138741440), (160, 124867296), (180, 110993152), (192, 104056080), (240, 83244864), (256, 78042060), (288, 69370720), (320, 62433648), (360, 55496576), (384, 52028040), (480, 41622432), (512, 39021030), (523, 38200320), (576, 34685360), (640, 31216824), (720, 27748288), (768, 26014020), (829, 24099840), (960, 20811216), (1024, 19510515), (1046, 19100160), (1152, 17342680), (1280, 15608412), (1440, 13874144), (1536, 13007010), (1569, 12733440), (1658, 12049920), (1920, 10405608), (2092, 9550080), (2304, 8671340), (2487, 8033280), (2560, 7804206), (2615, 7640064), (2880, 6937072), (3072, 6503505), (3138, 6366720), (3316, 6024960), (3840, 5202804), (4145, 4819968), (4184, 4775040), (4608, 4335670), (4707, 4244480), (4974, 4016640), (5120, 3902103), (5230, 3820032), (5760, 3468536), (6276, 3183360), (6632, 3012480), (7461, 2677760), (7680, 2601402), (7845, 2546688), (8290, 2409984), (8368, 2387520), (9216, 2167835), (9414, 2122240), (9948, 2008320), (10460, 1910016), (11520, 1734268), (12435, 1606656), (12552, 1591680), (13264, 1506240), (14922, 1338880), (15360, 1300701), (15690, 1273344), (16580, 1204992), (16736, 1193760), (18828, 1061120), (19896, 1004160), (20920, 955008), (23040, 867134), (23535, 848896), (24870, 803328), (25104, 795840), (26528, 753120), (29844, 669440), (31380, 636672), (33160, 602496), (33472, 596880), (37305, 535552), (37656, 530560), (39792, 502080), (41840, 477504), (46080, 433567), (47070, 424448), (49740, 401664), (50208, 397920), (53056, 376560), (59688, 334720), (62760, 318336), (66320, 301248), (66944, 298440), (74610, 267776), (75312, 265280), (79584, 251040), (83680, 238752), (94140, 212224), (99480, 200832), (100416, 198960), (106112, 188280), (119376, 167360), (125520, 159168), (132640, 150624), (133888, 149220)]