1664438720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:551

約数の個数: 224

約数和(自身を含む): 4852172160

約数和(自身を除く): 3187733440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 109, 112, 119, 136, 140, 160, 170, 218, 224, 238, 272, 280, 320, 340, 401, 436, 448, 476, 544, 545, 560, 595, 680, 763, 802, 872, 952, 1088, 1090, 1120, 1190, 1360, 1526, 1604, 1744, 1853, 1904, 2005, 2180, 2240, 2380, 2720, 2807, 3052, 3208, 3488, 3706, 3808, 3815, 4010, 4360, 4760, 5440, 5614, 6104, 6416, 6817, 6976, 7412, 7616, 7630, 8020, 8720, 9265, 9520, 11228, 12208, 12832, 12971, 13634, 14035, 14824, 15260, 16040, 17440, 18530, 19040, 22456, 24416, 25664, 25942, 27268, 28070, 29648, 30520, 32080, 34085, 34880, 37060, 38080, 43709, 44912, 47719, 48832, 51884, 54536, 56140, 59296, 61040, 64160, 64855, 68170, 74120, 87418, 89824, 95438, 103768, 109072, 112280, 118592, 122080, 128320, 129710, 136340, 148240, 174836, 179648, 190876, 207536, 218144, 218545, 224560, 238595, 244160, 259420, 272680, 296480, 305963, 349672, 381752, 415072, 436288, 437090, 449120, 477190, 518840, 545360, 592960, 611926, 699344, 743053, 763504, 830144, 874180, 898240, 954380, 1037680, 1090720, 1223852, 1398688, 1486106, 1527008, 1529815, 1748360, 1908760, 2075360, 2181440, 2447704, 2797376, 2972212, 3054016, 3059630, 3496720, 3715265, 3817520, 4150720, 4895408, 5201371, 5944424, 6119260, 6993440, 7430530, 7635040, 9790816, 10402742, 11888848, 12238520, 13986880, 14861060, 15270080, 19581632, 20805484, 23777696, 24477040, 26006855, 29722120, 41610968, 47555392, 48954080, 52013710, 59444240, 83221936, 97908160, 104027420, 118888480, 166443872, 208054840, 237776960, 332887744, 416109680, 832219360, 1664438720]

約数ペア:

[(1, 1664438720), (2, 832219360), (4, 416109680), (5, 332887744), (7, 237776960), (8, 208054840), (10, 166443872), (14, 118888480), (16, 104027420), (17, 97908160), (20, 83221936), (28, 59444240), (32, 52013710), (34, 48954080), (35, 47555392), (40, 41610968), (56, 29722120), (64, 26006855), (68, 24477040), (70, 23777696), (80, 20805484), (85, 19581632), (109, 15270080), (112, 14861060), (119, 13986880), (136, 12238520), (140, 11888848), (160, 10402742), (170, 9790816), (218, 7635040), (224, 7430530), (238, 6993440), (272, 6119260), (280, 5944424), (320, 5201371), (340, 4895408), (401, 4150720), (436, 3817520), (448, 3715265), (476, 3496720), (544, 3059630), (545, 3054016), (560, 2972212), (595, 2797376), (680, 2447704), (763, 2181440), (802, 2075360), (872, 1908760), (952, 1748360), (1088, 1529815), (1090, 1527008), (1120, 1486106), (1190, 1398688), (1360, 1223852), (1526, 1090720), (1604, 1037680), (1744, 954380), (1853, 898240), (1904, 874180), (2005, 830144), (2180, 763504), (2240, 743053), (2380, 699344), (2720, 611926), (2807, 592960), (3052, 545360), (3208, 518840), (3488, 477190), (3706, 449120), (3808, 437090), (3815, 436288), (4010, 415072), (4360, 381752), (4760, 349672), (5440, 305963), (5614, 296480), (6104, 272680), (6416, 259420), (6817, 244160), (6976, 238595), (7412, 224560), (7616, 218545), (7630, 218144), (8020, 207536), (8720, 190876), (9265, 179648), (9520, 174836), (11228, 148240), (12208, 136340), (12832, 129710), (12971, 128320), (13634, 122080), (14035, 118592), (14824, 112280), (15260, 109072), (16040, 103768), (17440, 95438), (18530, 89824), (19040, 87418), (22456, 74120), (24416, 68170), (25664, 64855), (25942, 64160), (27268, 61040), (28070, 59296), (29648, 56140), (30520, 54536), (32080, 51884), (34085, 48832), (34880, 47719), (37060, 44912), (38080, 43709)]