197982720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:703

約数の個数: 240

約数和(自身を含む): 739530792

約数和(自身を除く): 541548072

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, 1040, 1152, 1170, 1248, 1280, 1322, 1440, 1536, 1560, 1664, 1872, 1920, 1983, 2080, 2304, 2340, 2496, 2560, 2644, 2880, 3120, 3305, 3328, 3744, 3840, 3966, 4160, 4608, 4680, 4992, 5288, 5760, 5949, 6240, 6610, 6656, 7488, 7680, 7932, 8320, 8593, 9360, 9915, 9984, 10576, 11520, 11898, 12480, 13220, 14976, 15864, 16640, 17186, 18720, 19830, 19968, 21152, 23040, 23796, 24960, 25779, 26440, 29745, 29952, 31728, 33280, 34372, 37440, 39660, 42304, 42965, 47592, 49920, 51558, 52880, 59490, 59904, 63456, 68744, 74880, 77337, 79320, 84608, 85930, 95184, 99840, 103116, 105760, 118980, 126912, 128895, 137488, 149760, 154674, 158640, 169216, 171860, 190368, 206232, 211520, 237960, 253824, 257790, 274976, 299520, 309348, 317280, 338432, 343720, 380736, 386685, 412464, 423040, 475920, 507648, 515580, 549952, 618696, 634560, 687440, 761472, 773370, 824928, 846080, 951840, 1015296, 1031160, 1099904, 1237392, 1269120, 1374880, 1522944, 1546740, 1649856, 1692160, 1903680, 2062320, 2199808, 2474784, 2538240, 2749760, 3045888, 3093480, 3299712, 3807360, 4124640, 4399616, 4949568, 5076480, 5499520, 6186960, 6599424, 7614720, 8249280, 9899136, 10999040, 12373920, 13198848, 15229440, 16498560, 19798272, 21998080, 24747840, 32997120, 39596544, 49495680, 65994240, 98991360, 197982720]

約数ペア:

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