257336640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8123}}^1$

素因数の和:8157

約数の個数: 168

約数和(自身を含む): 965716128

約数和(自身を除く): 708379488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 8123, 10560, 15840, 16246, 24369, 31680, 32492, 40615, 48738, 64984, 73107, 81230, 89353, 97476, 121845, 129968, 146214, 162460, 178706, 194952, 243690, 259936, 268059, 292428, 324920, 357412, 365535, 389904, 446765, 487380, 519872, 536118, 584856, 649840, 714824, 731070, 779808, 804177, 893530, 974760, 1072236, 1169712, 1299680, 1340295, 1429648, 1462140, 1559616, 1608354, 1787060, 1949520, 2144472, 2339424, 2599360, 2680590, 2859296, 2924280, 3216708, 3574120, 3899040, 4020885, 4288944, 4678848, 5361180, 5718592, 5848560, 6433416, 7148240, 7798080, 8041770, 8577888, 10722360, 11697120, 12866832, 14296480, 16083540, 17155776, 21444720, 23394240, 25733664, 28592960, 32167080, 42889440, 51467328, 64334160, 85778880, 128668320, 257336640]

約数ペア:

[(1, 257336640), (2, 128668320), (3, 85778880), (4, 64334160), (5, 51467328), (6, 42889440), (8, 32167080), (9, 28592960), (10, 25733664), (11, 23394240), (12, 21444720), (15, 17155776), (16, 16083540), (18, 14296480), (20, 12866832), (22, 11697120), (24, 10722360), (30, 8577888), (32, 8041770), (33, 7798080), (36, 7148240), (40, 6433416), (44, 5848560), (45, 5718592), (48, 5361180), (55, 4678848), (60, 4288944), (64, 4020885), (66, 3899040), (72, 3574120), (80, 3216708), (88, 2924280), (90, 2859296), (96, 2680590), (99, 2599360), (110, 2339424), (120, 2144472), (132, 1949520), (144, 1787060), (160, 1608354), (165, 1559616), (176, 1462140), (180, 1429648), (192, 1340295), (198, 1299680), (220, 1169712), (240, 1072236), (264, 974760), (288, 893530), (320, 804177), (330, 779808), (352, 731070), (360, 714824), (396, 649840), (440, 584856), (480, 536118), (495, 519872), (528, 487380), (576, 446765), (660, 389904), (704, 365535), (720, 357412), (792, 324920), (880, 292428), (960, 268059), (990, 259936), (1056, 243690), (1320, 194952), (1440, 178706), (1584, 162460), (1760, 146214), (1980, 129968), (2112, 121845), (2640, 97476), (2880, 89353), (3168, 81230), (3520, 73107), (3960, 64984), (5280, 48738), (6336, 40615), (7920, 32492), (8123, 31680), (10560, 24369), (15840, 16246)]