257034960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3923}}^1$

素因数の和:3962

約数の個数: 240

約数和(自身を含む): 1062681984

約数和(自身を除く): 805647024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 3923, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 7846, 8190, 9360, 10920, 11769, 13104, 15692, 16380, 19615, 21840, 23538, 27461, 31384, 32760, 35307, 39230, 47076, 50999, 54922, 58845, 62768, 65520, 70614, 78460, 82383, 94152, 101998, 109844, 117690, 137305, 141228, 152997, 156920, 164766, 176535, 188304, 203996, 219688, 235380, 247149, 254995, 274610, 282456, 305994, 313840, 329532, 353070, 356993, 407992, 411915, 439376, 458991, 470760, 494298, 509990, 549220, 564912, 611988, 659064, 706140, 713986, 764985, 815984, 823830, 917982, 941520, 988596, 1019980, 1070979, 1098440, 1223976, 1235745, 1318128, 1412280, 1427972, 1529970, 1647660, 1784965, 1835964, 1977192, 2039960, 2141958, 2196880, 2294955, 2447952, 2471490, 2824560, 2855944, 3059940, 3212937, 3295320, 3569930, 3671928, 3954384, 4079920, 4283916, 4589910, 4942980, 5354895, 5711888, 6119880, 6425874, 6590640, 7139860, 7343856, 8567832, 9179820, 9885960, 10709790, 12239760, 12851748, 14279720, 16064685, 17135664, 18359640, 19771920, 21419580, 25703496, 28559440, 32129370, 36719280, 42839160, 51406992, 64258740, 85678320, 128517480, 257034960]

約数ペア:

[(1, 257034960), (2, 128517480), (3, 85678320), (4, 64258740), (5, 51406992), (6, 42839160), (7, 36719280), (8, 32129370), (9, 28559440), (10, 25703496), (12, 21419580), (13, 19771920), (14, 18359640), (15, 17135664), (16, 16064685), (18, 14279720), (20, 12851748), (21, 12239760), (24, 10709790), (26, 9885960), (28, 9179820), (30, 8567832), (35, 7343856), (36, 7139860), (39, 6590640), (40, 6425874), (42, 6119880), (45, 5711888), (48, 5354895), (52, 4942980), (56, 4589910), (60, 4283916), (63, 4079920), (65, 3954384), (70, 3671928), (72, 3569930), (78, 3295320), (80, 3212937), (84, 3059940), (90, 2855944), (91, 2824560), (104, 2471490), (105, 2447952), (112, 2294955), (117, 2196880), (120, 2141958), (126, 2039960), (130, 1977192), (140, 1835964), (144, 1784965), (156, 1647660), (168, 1529970), (180, 1427972), (182, 1412280), (195, 1318128), (208, 1235745), (210, 1223976), (234, 1098440), (240, 1070979), (252, 1019980), (260, 988596), (273, 941520), (280, 917982), (312, 823830), (315, 815984), (336, 764985), (360, 713986), (364, 706140), (390, 659064), (420, 611988), (455, 564912), (468, 549220), (504, 509990), (520, 494298), (546, 470760), (560, 458991), (585, 439376), (624, 411915), (630, 407992), (720, 356993), (728, 353070), (780, 329532), (819, 313840), (840, 305994), (910, 282456), (936, 274610), (1008, 254995), (1040, 247149), (1092, 235380), (1170, 219688), (1260, 203996), (1365, 188304), (1456, 176535), (1560, 164766), (1638, 156920), (1680, 152997), (1820, 141228), (1872, 137305), (2184, 117690), (2340, 109844), (2520, 101998), (2730, 94152), (3120, 82383), (3276, 78460), (3640, 70614), (3923, 65520), (4095, 62768), (4368, 58845), (4680, 54922), (5040, 50999), (5460, 47076), (6552, 39230), (7280, 35307), (7846, 32760), (8190, 31384), (9360, 27461), (10920, 23538), (11769, 21840), (13104, 19615), (15692, 16380)]