395965440

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 264

約数和(自身を含む): 1479784488

約数和(自身を除く): 1083819048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 661, 720, 768, 780, 832, 936, 960, 1024, 1040, 1152, 1170, 1248, 1280, 1322, 1440, 1536, 1560, 1664, 1872, 1920, 1983, 2080, 2304, 2340, 2496, 2560, 2644, 2880, 3072, 3120, 3305, 3328, 3744, 3840, 3966, 4160, 4608, 4680, 4992, 5120, 5288, 5760, 5949, 6240, 6610, 6656, 7488, 7680, 7932, 8320, 8593, 9216, 9360, 9915, 9984, 10576, 11520, 11898, 12480, 13220, 13312, 14976, 15360, 15864, 16640, 17186, 18720, 19830, 19968, 21152, 23040, 23796, 24960, 25779, 26440, 29745, 29952, 31728, 33280, 34372, 37440, 39660, 39936, 42304, 42965, 46080, 47592, 49920, 51558, 52880, 59490, 59904, 63456, 66560, 68744, 74880, 77337, 79320, 84608, 85930, 95184, 99840, 103116, 105760, 118980, 119808, 126912, 128895, 137488, 149760, 154674, 158640, 169216, 171860, 190368, 199680, 206232, 211520, 237960, 253824, 257790, 274976, 299520, 309348, 317280, 338432, 343720, 380736, 386685, 412464, 423040, 475920, 507648, 515580, 549952, 599040, 618696, 634560, 676864, 687440, 761472, 773370, 824928, 846080, 951840, 1015296, 1031160, 1099904, 1237392, 1269120, 1374880, 1522944, 1546740, 1649856, 1692160, 1903680, 2030592, 2062320, 2199808, 2474784, 2538240, 2749760, 3045888, 3093480, 3299712, 3384320, 3807360, 4124640, 4399616, 4949568, 5076480, 5499520, 6091776, 6186960, 6599424, 7614720, 8249280, 8799232, 9899136, 10152960, 10999040, 12373920, 13198848, 15229440, 16498560, 19798272, 21998080, 24747840, 26397696, 30458880, 32997120, 39596544, 43996160, 49495680, 65994240, 79193088, 98991360, 131988480, 197982720, 395965440]

約数ペア:

[(1, 395965440), (2, 197982720), (3, 131988480), (4, 98991360), (5, 79193088), (6, 65994240), (8, 49495680), (9, 43996160), (10, 39596544), (12, 32997120), (13, 30458880), (15, 26397696), (16, 24747840), (18, 21998080), (20, 19798272), (24, 16498560), (26, 15229440), (30, 13198848), (32, 12373920), (36, 10999040), (39, 10152960), (40, 9899136), (45, 8799232), (48, 8249280), (52, 7614720), (60, 6599424), (64, 6186960), (65, 6091776), (72, 5499520), (78, 5076480), (80, 4949568), (90, 4399616), (96, 4124640), (104, 3807360), (117, 3384320), (120, 3299712), (128, 3093480), (130, 3045888), (144, 2749760), (156, 2538240), (160, 2474784), (180, 2199808), (192, 2062320), (195, 2030592), (208, 1903680), (234, 1692160), (240, 1649856), (256, 1546740), (260, 1522944), (288, 1374880), (312, 1269120), (320, 1237392), (360, 1099904), (384, 1031160), (390, 1015296), (416, 951840), (468, 846080), (480, 824928), (512, 773370), (520, 761472), (576, 687440), (585, 676864), (624, 634560), (640, 618696), (661, 599040), (720, 549952), (768, 515580), (780, 507648), (832, 475920), (936, 423040), (960, 412464), (1024, 386685), (1040, 380736), (1152, 343720), (1170, 338432), (1248, 317280), (1280, 309348), (1322, 299520), (1440, 274976), (1536, 257790), (1560, 253824), (1664, 237960), (1872, 211520), (1920, 206232), (1983, 199680), (2080, 190368), (2304, 171860), (2340, 169216), (2496, 158640), (2560, 154674), (2644, 149760), (2880, 137488), (3072, 128895), (3120, 126912), (3305, 119808), (3328, 118980), (3744, 105760), (3840, 103116), (3966, 99840), (4160, 95184), (4608, 85930), (4680, 84608), (4992, 79320), (5120, 77337), (5288, 74880), (5760, 68744), (5949, 66560), (6240, 63456), (6610, 59904), (6656, 59490), (7488, 52880), (7680, 51558), (7932, 49920), (8320, 47592), (8593, 46080), (9216, 42965), (9360, 42304), (9915, 39936), (9984, 39660), (10576, 37440), (11520, 34372), (11898, 33280), (12480, 31728), (13220, 29952), (13312, 29745), (14976, 26440), (15360, 25779), (15864, 24960), (16640, 23796), (17186, 23040), (18720, 21152), (19830, 19968)]