1891805440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1061}}^1$

素因数の和:1288

約数の個数: 144

約数和(自身を含む): 5209747200

約数和(自身を除く): 3317941760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 199, 224, 256, 280, 320, 398, 448, 560, 640, 796, 896, 995, 1061, 1120, 1280, 1393, 1592, 1792, 1990, 2122, 2240, 2786, 3184, 3980, 4244, 4480, 5305, 5572, 6368, 6965, 7427, 7960, 8488, 8960, 10610, 11144, 12736, 13930, 14854, 15920, 16976, 21220, 22288, 25472, 27860, 29708, 31840, 33952, 37135, 42440, 44576, 50944, 55720, 59416, 63680, 67904, 74270, 84880, 89152, 111440, 118832, 127360, 135808, 148540, 169760, 178304, 211139, 222880, 237664, 254720, 271616, 297080, 339520, 356608, 422278, 445760, 475328, 594160, 679040, 844556, 891520, 950656, 1055695, 1188320, 1358080, 1477973, 1689112, 1783040, 1901312, 2111390, 2376640, 2955946, 3378224, 4222780, 4753280, 5911892, 6756448, 7389865, 8445560, 9506560, 11823784, 13512896, 14779730, 16891120, 23647568, 27025792, 29559460, 33782240, 47295136, 54051584, 59118920, 67564480, 94590272, 118237840, 135128960, 189180544, 236475680, 270257920, 378361088, 472951360, 945902720, 1891805440]

約数ペア:

[(1, 1891805440), (2, 945902720), (4, 472951360), (5, 378361088), (7, 270257920), (8, 236475680), (10, 189180544), (14, 135128960), (16, 118237840), (20, 94590272), (28, 67564480), (32, 59118920), (35, 54051584), (40, 47295136), (56, 33782240), (64, 29559460), (70, 27025792), (80, 23647568), (112, 16891120), (128, 14779730), (140, 13512896), (160, 11823784), (199, 9506560), (224, 8445560), (256, 7389865), (280, 6756448), (320, 5911892), (398, 4753280), (448, 4222780), (560, 3378224), (640, 2955946), (796, 2376640), (896, 2111390), (995, 1901312), (1061, 1783040), (1120, 1689112), (1280, 1477973), (1393, 1358080), (1592, 1188320), (1792, 1055695), (1990, 950656), (2122, 891520), (2240, 844556), (2786, 679040), (3184, 594160), (3980, 475328), (4244, 445760), (4480, 422278), (5305, 356608), (5572, 339520), (6368, 297080), (6965, 271616), (7427, 254720), (7960, 237664), (8488, 222880), (8960, 211139), (10610, 178304), (11144, 169760), (12736, 148540), (13930, 135808), (14854, 127360), (15920, 118832), (16976, 111440), (21220, 89152), (22288, 84880), (25472, 74270), (27860, 67904), (29708, 63680), (31840, 59416), (33952, 55720), (37135, 50944), (42440, 44576)]