254730240

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{691}}^1$

素因数の和:728

約数の個数: 168

約数和(自身を含む): 884288808

約数和(自身を除く): 629558568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 691, 720, 768, 960, 1024, 1152, 1280, 1382, 1440, 1536, 1920, 2048, 2073, 2304, 2560, 2764, 2880, 3072, 3455, 3840, 4096, 4146, 4608, 5120, 5528, 5760, 6144, 6219, 6910, 7680, 8192, 8292, 9216, 10240, 10365, 11056, 11520, 12288, 12438, 13820, 15360, 16584, 18432, 20480, 20730, 22112, 23040, 24576, 24876, 27640, 30720, 31095, 33168, 36864, 40960, 41460, 44224, 46080, 49752, 55280, 61440, 62190, 66336, 73728, 82920, 88448, 92160, 99504, 110560, 122880, 124380, 132672, 165840, 176896, 184320, 199008, 221120, 248760, 265344, 331680, 353792, 368640, 398016, 442240, 497520, 530688, 663360, 707584, 796032, 884480, 995040, 1061376, 1326720, 1415168, 1592064, 1768960, 1990080, 2122752, 2653440, 2830336, 3184128, 3537920, 3980160, 4245504, 5306880, 5660672, 6368256, 7075840, 7960320, 8491008, 10613760, 12736512, 14151680, 15920640, 16982016, 21227520, 25473024, 28303360, 31841280, 42455040, 50946048, 63682560, 84910080, 127365120, 254730240]

約数ペア:

[(1, 254730240), (2, 127365120), (3, 84910080), (4, 63682560), (5, 50946048), (6, 42455040), (8, 31841280), (9, 28303360), (10, 25473024), (12, 21227520), (15, 16982016), (16, 15920640), (18, 14151680), (20, 12736512), (24, 10613760), (30, 8491008), (32, 7960320), (36, 7075840), (40, 6368256), (45, 5660672), (48, 5306880), (60, 4245504), (64, 3980160), (72, 3537920), (80, 3184128), (90, 2830336), (96, 2653440), (120, 2122752), (128, 1990080), (144, 1768960), (160, 1592064), (180, 1415168), (192, 1326720), (240, 1061376), (256, 995040), (288, 884480), (320, 796032), (360, 707584), (384, 663360), (480, 530688), (512, 497520), (576, 442240), (640, 398016), (691, 368640), (720, 353792), (768, 331680), (960, 265344), (1024, 248760), (1152, 221120), (1280, 199008), (1382, 184320), (1440, 176896), (1536, 165840), (1920, 132672), (2048, 124380), (2073, 122880), (2304, 110560), (2560, 99504), (2764, 92160), (2880, 88448), (3072, 82920), (3455, 73728), (3840, 66336), (4096, 62190), (4146, 61440), (4608, 55280), (5120, 49752), (5528, 46080), (5760, 44224), (6144, 41460), (6219, 40960), (6910, 36864), (7680, 33168), (8192, 31095), (8292, 30720), (9216, 27640), (10240, 24876), (10365, 24576), (11056, 23040), (11520, 22112), (12288, 20730), (12438, 20480), (13820, 18432), (15360, 16584)]