19891025280

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{164443}}^1$

素因数の和:164478

約数の個数: 256

約数和(自身を含む): 80511782400

約数和(自身を除く): 60620757120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 164443, 328886, 493329, 657772, 822215, 986658, 1151101, 1315544, 1479987, 1644430, 1973316, 2302202, 2466645, 2631088, 2959974, 3288860, 3453303, 3946632, 4439961, 4604404, 4933290, 5262176, 5755505, 5919948, 6577720, 6906606, 7399935, 7893264, 8879922, 9208808, 9866580, 10359909, 10524352, 11511010, 11839896, 13155440, 13813212, 14799870, 15786528, 17266515, 17759844, 18417616, 19733160, 20719818, 21048704, 22199805, 23022020, 23679792, 26310880, 27626424, 29599740, 31079727, 31573056, 34533030, 35519688, 36835232, 39466320, 41439636, 44399610, 46044040, 47359584, 51799545, 52621760, 55252848, 59199480, 62159454, 63146112, 69066060, 71039376, 73670464, 78932640, 82879272, 88799220, 92088080, 94719168, 103599090, 105243520, 110505696, 118398960, 124318908, 138132120, 142078752, 147340928, 155398635, 157865280, 165758544, 177598440, 184176160, 189438336, 207198180, 221011392, 236797920, 248637816, 276264240, 284157504, 310797270, 315730560, 331517088, 355196880, 368352320, 414396360, 442022784, 473595840, 497275632, 552528480, 568315008, 621594540, 663034176, 710393760, 736704640, 828792720, 947191680, 994551264, 1105056960, 1243189080, 1326068352, 1420787520, 1657585440, 1989102528, 2210113920, 2486378160, 2841575040, 3315170880, 3978205056, 4972756320, 6630341760, 9945512640, 19891025280]

約数ペア:

[(1, 19891025280), (2, 9945512640), (3, 6630341760), (4, 4972756320), (5, 3978205056), (6, 3315170880), (7, 2841575040), (8, 2486378160), (9, 2210113920), (10, 1989102528), (12, 1657585440), (14, 1420787520), (15, 1326068352), (16, 1243189080), (18, 1105056960), (20, 994551264), (21, 947191680), (24, 828792720), (27, 736704640), (28, 710393760), (30, 663034176), (32, 621594540), (35, 568315008), (36, 552528480), (40, 497275632), (42, 473595840), (45, 442022784), (48, 414396360), (54, 368352320), (56, 355196880), (60, 331517088), (63, 315730560), (64, 310797270), (70, 284157504), (72, 276264240), (80, 248637816), (84, 236797920), (90, 221011392), (96, 207198180), (105, 189438336), (108, 184176160), (112, 177598440), (120, 165758544), (126, 157865280), (128, 155398635), (135, 147340928), (140, 142078752), (144, 138132120), (160, 124318908), (168, 118398960), (180, 110505696), (189, 105243520), (192, 103599090), (210, 94719168), (216, 92088080), (224, 88799220), (240, 82879272), (252, 78932640), (270, 73670464), (280, 71039376), (288, 69066060), (315, 63146112), (320, 62159454), (336, 59199480), (360, 55252848), (378, 52621760), (384, 51799545), (420, 47359584), (432, 46044040), (448, 44399610), (480, 41439636), (504, 39466320), (540, 36835232), (560, 35519688), (576, 34533030), (630, 31573056), (640, 31079727), (672, 29599740), (720, 27626424), (756, 26310880), (840, 23679792), (864, 23022020), (896, 22199805), (945, 21048704), (960, 20719818), (1008, 19733160), (1080, 18417616), (1120, 17759844), (1152, 17266515), (1260, 15786528), (1344, 14799870), (1440, 13813212), (1512, 13155440), (1680, 11839896), (1728, 11511010), (1890, 10524352), (1920, 10359909), (2016, 9866580), (2160, 9208808), (2240, 8879922), (2520, 7893264), (2688, 7399935), (2880, 6906606), (3024, 6577720), (3360, 5919948), (3456, 5755505), (3780, 5262176), (4032, 4933290), (4320, 4604404), (4480, 4439961), (5040, 3946632), (5760, 3453303), (6048, 3288860), (6720, 2959974), (7560, 2631088), (8064, 2466645), (8640, 2302202), (10080, 1973316), (12096, 1644430), (13440, 1479987), (15120, 1315544), (17280, 1151101), (20160, 986658), (24192, 822215), (30240, 657772), (40320, 493329), (60480, 328886), (120960, 164443)]