19712964480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30109}}^1$

素因数の和:30173

約数の個数: 256

約数和(自身を含む): 70760908800

約数和(自身を除く): 51047944320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 496, 528, 620, 640, 660, 682, 704, 744, 880, 930, 960, 992, 1023, 1056, 1240, 1320, 1364, 1408, 1488, 1705, 1760, 1860, 1920, 1984, 2046, 2112, 2480, 2640, 2728, 2976, 3410, 3520, 3720, 3968, 4092, 4224, 4960, 5115, 5280, 5456, 5952, 6820, 7040, 7440, 8184, 9920, 10230, 10560, 10912, 11904, 13640, 14880, 16368, 19840, 20460, 21120, 21824, 27280, 29760, 30109, 32736, 40920, 43648, 54560, 59520, 60218, 65472, 81840, 90327, 109120, 120436, 130944, 150545, 163680, 180654, 218240, 240872, 301090, 327360, 331199, 361308, 451635, 481744, 602180, 654720, 662398, 722616, 903270, 933379, 963488, 993597, 1204360, 1324796, 1445232, 1655995, 1806540, 1866758, 1926976, 1987194, 2408720, 2649592, 2800137, 2890464, 3311990, 3613080, 3733516, 3853952, 3974388, 4666895, 4817440, 4967985, 5299184, 5600274, 5780928, 6623980, 7226160, 7467032, 7948776, 9333790, 9634880, 9935970, 10267169, 10598368, 11200548, 11561856, 13247960, 14000685, 14452320, 14934064, 15897552, 18667580, 19269760, 19871940, 20534338, 21196736, 22401096, 26495920, 28001370, 28904640, 29868128, 30801507, 31795104, 37335160, 39743880, 41068676, 42393472, 44802192, 51335845, 52991840, 56002740, 57809280, 59736256, 61603014, 63590208, 74670320, 79487760, 82137352, 89604384, 102671690, 105983680, 112005480, 119472512, 123206028, 127180416, 149340640, 154007535, 158975520, 164274704, 179208768, 205343380, 211967360, 224010960, 246412056, 298681280, 308015070, 317951040, 328549408, 358417536, 410686760, 448021920, 492824112, 597362560, 616030140, 635902080, 657098816, 821373520, 896043840, 985648224, 1232060280, 1314197632, 1642747040, 1792087680, 1971296448, 2464120560, 3285494080, 3942592896, 4928241120, 6570988160, 9856482240, 19712964480]

約数ペア:

[(1, 19712964480), (2, 9856482240), (3, 6570988160), (4, 4928241120), (5, 3942592896), (6, 3285494080), (8, 2464120560), (10, 1971296448), (11, 1792087680), (12, 1642747040), (15, 1314197632), (16, 1232060280), (20, 985648224), (22, 896043840), (24, 821373520), (30, 657098816), (31, 635902080), (32, 616030140), (33, 597362560), (40, 492824112), (44, 448021920), (48, 410686760), (55, 358417536), (60, 328549408), (62, 317951040), (64, 308015070), (66, 298681280), (80, 246412056), (88, 224010960), (93, 211967360), (96, 205343380), (110, 179208768), (120, 164274704), (124, 158975520), (128, 154007535), (132, 149340640), (155, 127180416), (160, 123206028), (165, 119472512), (176, 112005480), (186, 105983680), (192, 102671690), (220, 89604384), (240, 82137352), (248, 79487760), (264, 74670320), (310, 63590208), (320, 61603014), (330, 59736256), (341, 57809280), (352, 56002740), (372, 52991840), (384, 51335845), (440, 44802192), (465, 42393472), (480, 41068676), (496, 39743880), (528, 37335160), (620, 31795104), (640, 30801507), (660, 29868128), (682, 28904640), (704, 28001370), (744, 26495920), (880, 22401096), (930, 21196736), (960, 20534338), (992, 19871940), (1023, 19269760), (1056, 18667580), (1240, 15897552), (1320, 14934064), (1364, 14452320), (1408, 14000685), (1488, 13247960), (1705, 11561856), (1760, 11200548), (1860, 10598368), (1920, 10267169), (1984, 9935970), (2046, 9634880), (2112, 9333790), (2480, 7948776), (2640, 7467032), (2728, 7226160), (2976, 6623980), (3410, 5780928), (3520, 5600274), (3720, 5299184), (3968, 4967985), (4092, 4817440), (4224, 4666895), (4960, 3974388), (5115, 3853952), (5280, 3733516), (5456, 3613080), (5952, 3311990), (6820, 2890464), (7040, 2800137), (7440, 2649592), (8184, 2408720), (9920, 1987194), (10230, 1926976), (10560, 1866758), (10912, 1806540), (11904, 1655995), (13640, 1445232), (14880, 1324796), (16368, 1204360), (19840, 993597), (20460, 963488), (21120, 933379), (21824, 903270), (27280, 722616), (29760, 662398), (30109, 654720), (32736, 602180), (40920, 481744), (43648, 451635), (54560, 361308), (59520, 331199), (60218, 327360), (65472, 301090), (81840, 240872), (90327, 218240), (109120, 180654), (120436, 163680), (130944, 150545)]