257419680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3331}}^1$

素因数の和:3379

約数の個数: 192

約数和(自身を含む): 967292928

約数和(自身を除く): 709873248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2208, 2415, 2576, 2760, 3220, 3331, 3360, 3680, 3864, 4830, 5152, 5520, 6440, 6662, 7728, 9660, 9993, 11040, 12880, 13324, 15456, 16655, 19320, 19986, 23317, 25760, 26648, 33310, 38640, 39972, 46634, 49965, 53296, 66620, 69951, 76613, 77280, 79944, 93268, 99930, 106592, 116585, 133240, 139902, 153226, 159888, 186536, 199860, 229839, 233170, 266480, 279804, 306452, 319776, 349755, 373072, 383065, 399720, 459678, 466340, 532960, 536291, 559608, 612904, 699510, 746144, 766130, 799440, 919356, 932680, 1072582, 1119216, 1149195, 1225808, 1399020, 1532260, 1598880, 1608873, 1838712, 1865360, 2145164, 2238432, 2298390, 2451616, 2681455, 2798040, 3064520, 3217746, 3677424, 3730720, 4290328, 4596780, 5362910, 5596080, 6129040, 6435492, 7354848, 8044365, 8580656, 9193560, 10725820, 11192160, 12258080, 12870984, 16088730, 17161312, 18387120, 21451640, 25741968, 32177460, 36774240, 42903280, 51483936, 64354920, 85806560, 128709840, 257419680]

約数ペア:

[(1, 257419680), (2, 128709840), (3, 85806560), (4, 64354920), (5, 51483936), (6, 42903280), (7, 36774240), (8, 32177460), (10, 25741968), (12, 21451640), (14, 18387120), (15, 17161312), (16, 16088730), (20, 12870984), (21, 12258080), (23, 11192160), (24, 10725820), (28, 9193560), (30, 8580656), (32, 8044365), (35, 7354848), (40, 6435492), (42, 6129040), (46, 5596080), (48, 5362910), (56, 4596780), (60, 4290328), (69, 3730720), (70, 3677424), (80, 3217746), (84, 3064520), (92, 2798040), (96, 2681455), (105, 2451616), (112, 2298390), (115, 2238432), (120, 2145164), (138, 1865360), (140, 1838712), (160, 1608873), (161, 1598880), (168, 1532260), (184, 1399020), (210, 1225808), (224, 1149195), (230, 1119216), (240, 1072582), (276, 932680), (280, 919356), (322, 799440), (336, 766130), (345, 746144), (368, 699510), (420, 612904), (460, 559608), (480, 536291), (483, 532960), (552, 466340), (560, 459678), (644, 399720), (672, 383065), (690, 373072), (736, 349755), (805, 319776), (840, 306452), (920, 279804), (966, 266480), (1104, 233170), (1120, 229839), (1288, 199860), (1380, 186536), (1610, 159888), (1680, 153226), (1840, 139902), (1932, 133240), (2208, 116585), (2415, 106592), (2576, 99930), (2760, 93268), (3220, 79944), (3331, 77280), (3360, 76613), (3680, 69951), (3864, 66620), (4830, 53296), (5152, 49965), (5520, 46634), (6440, 39972), (6662, 38640), (7728, 33310), (9660, 26648), (9993, 25760), (11040, 23317), (12880, 19986), (13324, 19320), (15456, 16655)]