21509532800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7561}}^1$

素因数の和:7719

約数の個数: 192

約数和(自身を含む): 61212272640

約数和(自身を除く): 39702739840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 127, 128, 140, 160, 175, 200, 224, 254, 280, 320, 350, 400, 448, 508, 560, 635, 640, 700, 800, 889, 896, 1016, 1120, 1270, 1400, 1600, 1778, 2032, 2240, 2540, 2800, 3175, 3200, 3556, 4064, 4445, 4480, 5080, 5600, 6350, 7112, 7561, 8128, 8890, 10160, 11200, 12700, 14224, 15122, 16256, 17780, 20320, 22225, 22400, 25400, 28448, 30244, 35560, 37805, 40640, 44450, 50800, 52927, 56896, 60488, 71120, 75610, 81280, 88900, 101600, 105854, 113792, 120976, 142240, 151220, 177800, 189025, 203200, 211708, 241952, 264635, 284480, 302440, 355600, 378050, 406400, 423416, 483904, 529270, 568960, 604880, 711200, 756100, 846832, 960247, 967808, 1058540, 1209760, 1323175, 1422400, 1512200, 1693664, 1920494, 2117080, 2419520, 2646350, 2844800, 3024400, 3387328, 3840988, 4234160, 4801235, 4839040, 5292700, 6048800, 6721729, 6774656, 7681976, 8468320, 9602470, 10585400, 12097600, 13443458, 15363952, 16936640, 19204940, 21170800, 24006175, 24195200, 26886916, 30727904, 33608645, 33873280, 38409880, 42341600, 48012350, 53773832, 61455808, 67217290, 76819760, 84683200, 96024700, 107547664, 122911616, 134434580, 153639520, 168043225, 169366400, 192049400, 215095328, 268869160, 307279040, 336086450, 384098800, 430190656, 537738320, 614558080, 672172900, 768197600, 860381312, 1075476640, 1344345800, 1536395200, 2150953280, 2688691600, 3072790400, 4301906560, 5377383200, 10754766400, 21509532800]

約数ペア:

[(1, 21509532800), (2, 10754766400), (4, 5377383200), (5, 4301906560), (7, 3072790400), (8, 2688691600), (10, 2150953280), (14, 1536395200), (16, 1344345800), (20, 1075476640), (25, 860381312), (28, 768197600), (32, 672172900), (35, 614558080), (40, 537738320), (50, 430190656), (56, 384098800), (64, 336086450), (70, 307279040), (80, 268869160), (100, 215095328), (112, 192049400), (127, 169366400), (128, 168043225), (140, 153639520), (160, 134434580), (175, 122911616), (200, 107547664), (224, 96024700), (254, 84683200), (280, 76819760), (320, 67217290), (350, 61455808), (400, 53773832), (448, 48012350), (508, 42341600), (560, 38409880), (635, 33873280), (640, 33608645), (700, 30727904), (800, 26886916), (889, 24195200), (896, 24006175), (1016, 21170800), (1120, 19204940), (1270, 16936640), (1400, 15363952), (1600, 13443458), (1778, 12097600), (2032, 10585400), (2240, 9602470), (2540, 8468320), (2800, 7681976), (3175, 6774656), (3200, 6721729), (3556, 6048800), (4064, 5292700), (4445, 4839040), (4480, 4801235), (5080, 4234160), (5600, 3840988), (6350, 3387328), (7112, 3024400), (7561, 2844800), (8128, 2646350), (8890, 2419520), (10160, 2117080), (11200, 1920494), (12700, 1693664), (14224, 1512200), (15122, 1422400), (16256, 1323175), (17780, 1209760), (20320, 1058540), (22225, 967808), (22400, 960247), (25400, 846832), (28448, 756100), (30244, 711200), (35560, 604880), (37805, 568960), (40640, 529270), (44450, 483904), (50800, 423416), (52927, 406400), (56896, 378050), (60488, 355600), (71120, 302440), (75610, 284480), (81280, 264635), (88900, 241952), (101600, 211708), (105854, 203200), (113792, 189025), (120976, 177800), (142240, 151220)]