399098880

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{2887}}^1$

素因数の和:2921

約数の個数: 176

約数和(自身を含む): 1418816640

約数和(自身を除く): 1019717760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 2887, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 5774, 6912, 7680, 8640, 8661, 9216, 11520, 11548, 13824, 14435, 15360, 17280, 17322, 23040, 23096, 25983, 27648, 28870, 34560, 34644, 43305, 46080, 46192, 51966, 57740, 69120, 69288, 77949, 86610, 92384, 103932, 115480, 129915, 138240, 138576, 155898, 173220, 184768, 207864, 230960, 259830, 277152, 311796, 346440, 369536, 389745, 415728, 461920, 519660, 554304, 623592, 692880, 739072, 779490, 831456, 923840, 1039320, 1108608, 1247184, 1385760, 1478144, 1558980, 1662912, 1847680, 2078640, 2217216, 2494368, 2771520, 2956288, 3117960, 3325824, 3695360, 4157280, 4434432, 4988736, 5543040, 6235920, 6651648, 7390720, 8314560, 8868864, 9977472, 11086080, 12471840, 13303296, 14781440, 16629120, 19954944, 22172160, 24943680, 26606592, 33258240, 39909888, 44344320, 49887360, 66516480, 79819776, 99774720, 133032960, 199549440, 399098880]

約数ペア:

[(1, 399098880), (2, 199549440), (3, 133032960), (4, 99774720), (5, 79819776), (6, 66516480), (8, 49887360), (9, 44344320), (10, 39909888), (12, 33258240), (15, 26606592), (16, 24943680), (18, 22172160), (20, 19954944), (24, 16629120), (27, 14781440), (30, 13303296), (32, 12471840), (36, 11086080), (40, 9977472), (45, 8868864), (48, 8314560), (54, 7390720), (60, 6651648), (64, 6235920), (72, 5543040), (80, 4988736), (90, 4434432), (96, 4157280), (108, 3695360), (120, 3325824), (128, 3117960), (135, 2956288), (144, 2771520), (160, 2494368), (180, 2217216), (192, 2078640), (216, 1847680), (240, 1662912), (256, 1558980), (270, 1478144), (288, 1385760), (320, 1247184), (360, 1108608), (384, 1039320), (432, 923840), (480, 831456), (512, 779490), (540, 739072), (576, 692880), (640, 623592), (720, 554304), (768, 519660), (864, 461920), (960, 415728), (1024, 389745), (1080, 369536), (1152, 346440), (1280, 311796), (1440, 277152), (1536, 259830), (1728, 230960), (1920, 207864), (2160, 184768), (2304, 173220), (2560, 155898), (2880, 138576), (2887, 138240), (3072, 129915), (3456, 115480), (3840, 103932), (4320, 92384), (4608, 86610), (5120, 77949), (5760, 69288), (5774, 69120), (6912, 57740), (7680, 51966), (8640, 46192), (8661, 46080), (9216, 43305), (11520, 34644), (11548, 34560), (13824, 28870), (14435, 27648), (15360, 25983), (17280, 23096), (17322, 23040)]