257024880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 320

約数和(自身を含む): 1028505600

約数和(自身を除く): 771480720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 89, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 178, 180, 189, 191, 210, 216, 240, 252, 267, 270, 280, 315, 336, 356, 360, 378, 382, 420, 432, 445, 504, 534, 540, 560, 573, 623, 630, 712, 720, 756, 764, 801, 840, 890, 945, 955, 1008, 1068, 1080, 1146, 1246, 1260, 1335, 1337, 1424, 1512, 1528, 1602, 1680, 1719, 1780, 1869, 1890, 1910, 2136, 2160, 2292, 2403, 2492, 2520, 2670, 2674, 2865, 3024, 3056, 3115, 3204, 3438, 3560, 3738, 3780, 3820, 4005, 4011, 4272, 4584, 4806, 4984, 5040, 5157, 5340, 5348, 5607, 5730, 6230, 6408, 6685, 6876, 7120, 7476, 7560, 7640, 8010, 8022, 8595, 9168, 9345, 9612, 9968, 10314, 10680, 10696, 11214, 11460, 12015, 12033, 12460, 12816, 13370, 13752, 14952, 15120, 15280, 16020, 16044, 16821, 16999, 17190, 18690, 19224, 20055, 20628, 21360, 21392, 22428, 22920, 24030, 24066, 24920, 25785, 26740, 27504, 28035, 29904, 32040, 32088, 33642, 33998, 34380, 36099, 37380, 38448, 40110, 41256, 44856, 45840, 48060, 48132, 49840, 50997, 51570, 53480, 56070, 60165, 64080, 64176, 67284, 67996, 68760, 72198, 74760, 80220, 82512, 84105, 84995, 89712, 96120, 96264, 101994, 103140, 106960, 112140, 118993, 120330, 134568, 135992, 137520, 144396, 149520, 152991, 160440, 168210, 169990, 180495, 192240, 192528, 203988, 206280, 224280, 237986, 240660, 254985, 269136, 271984, 288792, 305982, 320880, 336420, 339980, 356979, 360990, 407976, 412560, 448560, 458973, 475972, 481320, 509970, 577584, 594965, 611964, 672840, 679960, 713958, 721980, 764955, 815952, 917946, 951944, 962640, 1019940, 1070937, 1189930, 1223928, 1345680, 1359920, 1427916, 1443960, 1529910, 1784895, 1835892, 1903888, 2039880, 2141874, 2294865, 2379860, 2447856, 2855832, 2887920, 3059820, 3212811, 3569790, 3671784, 4079760, 4283748, 4589730, 4759720, 5354685, 5711664, 6119640, 6425622, 7139580, 7343568, 8567496, 9179460, 9519440, 10709370, 12239280, 12851244, 14279160, 16064055, 17134992, 18358920, 21418740, 25702488, 28558320, 32128110, 36717840, 42837480, 51404976, 64256220, 85674960, 128512440, 257024880]

約数ペア:

[(1, 257024880), (2, 128512440), (3, 85674960), (4, 64256220), (5, 51404976), (6, 42837480), (7, 36717840), (8, 32128110), (9, 28558320), (10, 25702488), (12, 21418740), (14, 18358920), (15, 17134992), (16, 16064055), (18, 14279160), (20, 12851244), (21, 12239280), (24, 10709370), (27, 9519440), (28, 9179460), (30, 8567496), (35, 7343568), (36, 7139580), (40, 6425622), (42, 6119640), (45, 5711664), (48, 5354685), (54, 4759720), (56, 4589730), (60, 4283748), (63, 4079760), (70, 3671784), (72, 3569790), (80, 3212811), (84, 3059820), (89, 2887920), (90, 2855832), (105, 2447856), (108, 2379860), (112, 2294865), (120, 2141874), (126, 2039880), (135, 1903888), (140, 1835892), (144, 1784895), (168, 1529910), (178, 1443960), (180, 1427916), (189, 1359920), (191, 1345680), (210, 1223928), (216, 1189930), (240, 1070937), (252, 1019940), (267, 962640), (270, 951944), (280, 917946), (315, 815952), (336, 764955), (356, 721980), (360, 713958), (378, 679960), (382, 672840), (420, 611964), (432, 594965), (445, 577584), (504, 509970), (534, 481320), (540, 475972), (560, 458973), (573, 448560), (623, 412560), (630, 407976), (712, 360990), (720, 356979), (756, 339980), (764, 336420), (801, 320880), (840, 305982), (890, 288792), (945, 271984), (955, 269136), (1008, 254985), (1068, 240660), (1080, 237986), (1146, 224280), (1246, 206280), (1260, 203988), (1335, 192528), (1337, 192240), (1424, 180495), (1512, 169990), (1528, 168210), (1602, 160440), (1680, 152991), (1719, 149520), (1780, 144396), (1869, 137520), (1890, 135992), (1910, 134568), (2136, 120330), (2160, 118993), (2292, 112140), (2403, 106960), (2492, 103140), (2520, 101994), (2670, 96264), (2674, 96120), (2865, 89712), (3024, 84995), (3056, 84105), (3115, 82512), (3204, 80220), (3438, 74760), (3560, 72198), (3738, 68760), (3780, 67996), (3820, 67284), (4005, 64176), (4011, 64080), (4272, 60165), (4584, 56070), (4806, 53480), (4984, 51570), (5040, 50997), (5157, 49840), (5340, 48132), (5348, 48060), (5607, 45840), (5730, 44856), (6230, 41256), (6408, 40110), (6685, 38448), (6876, 37380), (7120, 36099), (7476, 34380), (7560, 33998), (7640, 33642), (8010, 32088), (8022, 32040), (8595, 29904), (9168, 28035), (9345, 27504), (9612, 26740), (9968, 25785), (10314, 24920), (10680, 24066), (10696, 24030), (11214, 22920), (11460, 22428), (12015, 21392), (12033, 21360), (12460, 20628), (12816, 20055), (13370, 19224), (13752, 18690), (14952, 17190), (15120, 16999), (15280, 16821), (16020, 16044)]