257381280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4583}}^1$

素因数の和:4620

約数の個数: 192

約数和(自身を含む): 970341120

約数和(自身を除く): 712959840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4583, 4680, 5616, 6240, 7020, 9166, 9360, 11232, 13749, 14040, 18332, 18720, 22915, 27498, 28080, 36664, 41247, 45830, 54996, 56160, 59579, 68745, 73328, 82494, 91660, 109992, 119158, 123741, 137490, 146656, 164988, 178737, 183320, 206235, 219984, 238316, 247482, 274980, 297895, 329976, 357474, 366640, 412470, 439968, 476632, 494964, 536211, 549960, 595790, 618705, 659952, 714948, 733280, 824940, 893685, 953264, 989928, 1072422, 1099920, 1191580, 1237410, 1319904, 1429896, 1608633, 1649880, 1787370, 1906528, 1979856, 2144844, 2199840, 2383160, 2474820, 2681055, 2859792, 3217266, 3299760, 3574740, 3959712, 4289688, 4766320, 4949640, 5362110, 5719584, 6434532, 6599520, 7149480, 8043165, 8579376, 9532640, 9899280, 10724220, 12869064, 14298960, 16086330, 17158752, 19798560, 21448440, 25738128, 28597920, 32172660, 42896880, 51476256, 64345320, 85793760, 128690640, 257381280]

約数ペア:

[(1, 257381280), (2, 128690640), (3, 85793760), (4, 64345320), (5, 51476256), (6, 42896880), (8, 32172660), (9, 28597920), (10, 25738128), (12, 21448440), (13, 19798560), (15, 17158752), (16, 16086330), (18, 14298960), (20, 12869064), (24, 10724220), (26, 9899280), (27, 9532640), (30, 8579376), (32, 8043165), (36, 7149480), (39, 6599520), (40, 6434532), (45, 5719584), (48, 5362110), (52, 4949640), (54, 4766320), (60, 4289688), (65, 3959712), (72, 3574740), (78, 3299760), (80, 3217266), (90, 2859792), (96, 2681055), (104, 2474820), (108, 2383160), (117, 2199840), (120, 2144844), (130, 1979856), (135, 1906528), (144, 1787370), (156, 1649880), (160, 1608633), (180, 1429896), (195, 1319904), (208, 1237410), (216, 1191580), (234, 1099920), (240, 1072422), (260, 989928), (270, 953264), (288, 893685), (312, 824940), (351, 733280), (360, 714948), (390, 659952), (416, 618705), (432, 595790), (468, 549960), (480, 536211), (520, 494964), (540, 476632), (585, 439968), (624, 412470), (702, 366640), (720, 357474), (780, 329976), (864, 297895), (936, 274980), (1040, 247482), (1080, 238316), (1170, 219984), (1248, 206235), (1404, 183320), (1440, 178737), (1560, 164988), (1755, 146656), (1872, 137490), (2080, 123741), (2160, 119158), (2340, 109992), (2808, 91660), (3120, 82494), (3510, 73328), (3744, 68745), (4320, 59579), (4583, 56160), (4680, 54996), (5616, 45830), (6240, 41247), (7020, 36664), (9166, 28080), (9360, 27498), (11232, 22915), (13749, 18720), (14040, 18332)]