387739520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 256

約数和(自身を含む): 1142138880

約数和(自身を除く): 754399360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 53, 56, 64, 70, 71, 80, 92, 106, 112, 115, 128, 140, 142, 160, 161, 184, 212, 224, 230, 265, 280, 284, 320, 322, 355, 368, 371, 424, 448, 460, 497, 530, 560, 568, 640, 644, 710, 736, 742, 805, 848, 896, 920, 994, 1060, 1120, 1136, 1219, 1288, 1420, 1472, 1484, 1610, 1633, 1696, 1840, 1855, 1988, 2120, 2240, 2272, 2438, 2485, 2576, 2840, 2944, 2968, 3220, 3266, 3392, 3680, 3710, 3763, 3976, 4240, 4480, 4544, 4876, 4970, 5152, 5680, 5936, 6095, 6440, 6532, 6784, 7360, 7420, 7526, 7952, 8165, 8480, 8533, 9088, 9752, 9940, 10304, 11360, 11431, 11872, 12190, 12880, 13064, 14720, 14840, 15052, 15904, 16330, 16960, 17066, 18815, 19504, 19880, 20608, 22720, 22862, 23744, 24380, 25760, 26128, 26341, 29680, 30104, 31808, 32660, 33920, 34132, 37630, 39008, 39760, 42665, 45440, 45724, 47488, 48760, 51520, 52256, 52682, 57155, 59360, 60208, 63616, 65320, 68264, 75260, 78016, 79520, 85330, 86549, 91448, 97520, 103040, 104512, 105364, 114310, 118720, 120416, 130640, 131705, 136528, 150520, 156032, 159040, 170660, 173098, 182896, 195040, 209024, 210728, 228620, 237440, 240832, 261280, 263410, 273056, 301040, 318080, 341320, 346196, 365792, 390080, 421456, 432745, 457240, 481664, 522560, 526820, 546112, 602080, 605843, 682640, 692392, 731584, 780160, 842912, 865490, 914480, 1045120, 1053640, 1092224, 1204160, 1211686, 1365280, 1384784, 1463168, 1685824, 1730980, 1828960, 2107280, 2408320, 2423372, 2730560, 2769568, 3029215, 3371648, 3461960, 3657920, 4214560, 4846744, 5461120, 5539136, 6058430, 6923920, 7315840, 8429120, 9693488, 11078272, 12116860, 13847840, 16858240, 19386976, 24233720, 27695680, 38773952, 48467440, 55391360, 77547904, 96934880, 193869760, 387739520]

約数ペア:

[(1, 387739520), (2, 193869760), (4, 96934880), (5, 77547904), (7, 55391360), (8, 48467440), (10, 38773952), (14, 27695680), (16, 24233720), (20, 19386976), (23, 16858240), (28, 13847840), (32, 12116860), (35, 11078272), (40, 9693488), (46, 8429120), (53, 7315840), (56, 6923920), (64, 6058430), (70, 5539136), (71, 5461120), (80, 4846744), (92, 4214560), (106, 3657920), (112, 3461960), (115, 3371648), (128, 3029215), (140, 2769568), (142, 2730560), (160, 2423372), (161, 2408320), (184, 2107280), (212, 1828960), (224, 1730980), (230, 1685824), (265, 1463168), (280, 1384784), (284, 1365280), (320, 1211686), (322, 1204160), (355, 1092224), (368, 1053640), (371, 1045120), (424, 914480), (448, 865490), (460, 842912), (497, 780160), (530, 731584), (560, 692392), (568, 682640), (640, 605843), (644, 602080), (710, 546112), (736, 526820), (742, 522560), (805, 481664), (848, 457240), (896, 432745), (920, 421456), (994, 390080), (1060, 365792), (1120, 346196), (1136, 341320), (1219, 318080), (1288, 301040), (1420, 273056), (1472, 263410), (1484, 261280), (1610, 240832), (1633, 237440), (1696, 228620), (1840, 210728), (1855, 209024), (1988, 195040), (2120, 182896), (2240, 173098), (2272, 170660), (2438, 159040), (2485, 156032), (2576, 150520), (2840, 136528), (2944, 131705), (2968, 130640), (3220, 120416), (3266, 118720), (3392, 114310), (3680, 105364), (3710, 104512), (3763, 103040), (3976, 97520), (4240, 91448), (4480, 86549), (4544, 85330), (4876, 79520), (4970, 78016), (5152, 75260), (5680, 68264), (5936, 65320), (6095, 63616), (6440, 60208), (6532, 59360), (6784, 57155), (7360, 52682), (7420, 52256), (7526, 51520), (7952, 48760), (8165, 47488), (8480, 45724), (8533, 45440), (9088, 42665), (9752, 39760), (9940, 39008), (10304, 37630), (11360, 34132), (11431, 33920), (11872, 32660), (12190, 31808), (12880, 30104), (13064, 29680), (14720, 26341), (14840, 26128), (15052, 25760), (15904, 24380), (16330, 23744), (16960, 22862), (17066, 22720), (18815, 20608), (19504, 19880)]