254509920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{3607}}^1$

素因数の和:3642

約数の個数: 216

約数和(自身を含む): 1010593584

約数和(自身を除く): 756083664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3607, 3920, 4410, 4704, 5040, 5880, 7056, 7214, 7840, 8820, 10080, 10821, 11760, 14112, 14428, 17640, 18035, 21642, 23520, 25249, 28856, 32463, 35280, 36070, 43284, 50498, 54105, 57712, 64926, 70560, 72140, 75747, 86568, 100996, 108210, 115424, 126245, 129852, 144280, 151494, 162315, 173136, 176743, 201992, 216420, 227241, 252490, 259704, 288560, 302988, 324630, 346272, 353486, 378735, 403984, 432840, 454482, 504980, 519408, 530229, 577120, 605976, 649260, 706972, 757470, 807968, 865680, 883715, 908964, 1009960, 1038816, 1060458, 1136205, 1211952, 1298520, 1413944, 1514940, 1590687, 1731360, 1767430, 1817928, 2019920, 2120916, 2272410, 2423904, 2597040, 2651145, 2827888, 3029880, 3181374, 3534860, 3635856, 4039840, 4241832, 4544820, 5194080, 5302290, 5655776, 6059760, 6362748, 7069720, 7271712, 7953435, 8483664, 9089640, 10604580, 12119520, 12725496, 14139440, 15906870, 16967328, 18179280, 21209160, 25450992, 28278880, 31813740, 36358560, 42418320, 50901984, 63627480, 84836640, 127254960, 254509920]

約数ペア:

[(1, 254509920), (2, 127254960), (3, 84836640), (4, 63627480), (5, 50901984), (6, 42418320), (7, 36358560), (8, 31813740), (9, 28278880), (10, 25450992), (12, 21209160), (14, 18179280), (15, 16967328), (16, 15906870), (18, 14139440), (20, 12725496), (21, 12119520), (24, 10604580), (28, 9089640), (30, 8483664), (32, 7953435), (35, 7271712), (36, 7069720), (40, 6362748), (42, 6059760), (45, 5655776), (48, 5302290), (49, 5194080), (56, 4544820), (60, 4241832), (63, 4039840), (70, 3635856), (72, 3534860), (80, 3181374), (84, 3029880), (90, 2827888), (96, 2651145), (98, 2597040), (105, 2423904), (112, 2272410), (120, 2120916), (126, 2019920), (140, 1817928), (144, 1767430), (147, 1731360), (160, 1590687), (168, 1514940), (180, 1413944), (196, 1298520), (210, 1211952), (224, 1136205), (240, 1060458), (245, 1038816), (252, 1009960), (280, 908964), (288, 883715), (294, 865680), (315, 807968), (336, 757470), (360, 706972), (392, 649260), (420, 605976), (441, 577120), (480, 530229), (490, 519408), (504, 504980), (560, 454482), (588, 432840), (630, 403984), (672, 378735), (720, 353486), (735, 346272), (784, 324630), (840, 302988), (882, 288560), (980, 259704), (1008, 252490), (1120, 227241), (1176, 216420), (1260, 201992), (1440, 176743), (1470, 173136), (1568, 162315), (1680, 151494), (1764, 144280), (1960, 129852), (2016, 126245), (2205, 115424), (2352, 108210), (2520, 100996), (2940, 86568), (3360, 75747), (3528, 72140), (3607, 70560), (3920, 64926), (4410, 57712), (4704, 54105), (5040, 50498), (5880, 43284), (7056, 36070), (7214, 35280), (7840, 32463), (8820, 28856), (10080, 25249), (10821, 23520), (11760, 21642), (14112, 18035), (14428, 17640)]