257240880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9161}}^1$

素因数の和:9196

約数の個数: 160

約数和(自身を含む): 954313920

約数和(自身を除く): 697073040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9161, 9360, 14040, 18322, 27483, 28080, 36644, 45805, 54966, 73288, 82449, 91610, 109932, 119093, 137415, 146576, 164898, 183220, 219864, 238186, 247347, 274830, 329796, 357279, 366440, 412245, 439728, 476372, 494694, 549660, 595465, 659592, 714558, 732880, 824490, 952744, 989388, 1071837, 1099320, 1190930, 1236735, 1319184, 1429116, 1648980, 1786395, 1905488, 1978776, 2143674, 2198640, 2381860, 2473470, 2858232, 3215511, 3297960, 3572790, 3957552, 4287348, 4763720, 4946940, 5359185, 5716464, 6431022, 6595920, 7145580, 8574696, 9527440, 9893880, 10718370, 12862044, 14291160, 16077555, 17149392, 19787760, 21436740, 25724088, 28582320, 32155110, 42873480, 51448176, 64310220, 85746960, 128620440, 257240880]

約数ペア:

[(1, 257240880), (2, 128620440), (3, 85746960), (4, 64310220), (5, 51448176), (6, 42873480), (8, 32155110), (9, 28582320), (10, 25724088), (12, 21436740), (13, 19787760), (15, 17149392), (16, 16077555), (18, 14291160), (20, 12862044), (24, 10718370), (26, 9893880), (27, 9527440), (30, 8574696), (36, 7145580), (39, 6595920), (40, 6431022), (45, 5716464), (48, 5359185), (52, 4946940), (54, 4763720), (60, 4287348), (65, 3957552), (72, 3572790), (78, 3297960), (80, 3215511), (90, 2858232), (104, 2473470), (108, 2381860), (117, 2198640), (120, 2143674), (130, 1978776), (135, 1905488), (144, 1786395), (156, 1648980), (180, 1429116), (195, 1319184), (208, 1236735), (216, 1190930), (234, 1099320), (240, 1071837), (260, 989388), (270, 952744), (312, 824490), (351, 732880), (360, 714558), (390, 659592), (432, 595465), (468, 549660), (520, 494694), (540, 476372), (585, 439728), (624, 412245), (702, 366440), (720, 357279), (780, 329796), (936, 274830), (1040, 247347), (1080, 238186), (1170, 219864), (1404, 183220), (1560, 164898), (1755, 146576), (1872, 137415), (2160, 119093), (2340, 109932), (2808, 91610), (3120, 82449), (3510, 73288), (4680, 54966), (5616, 45805), (7020, 36644), (9161, 28080), (9360, 27483), (14040, 18322)]