256693320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 256

約数和(自身を含む): 943488000

約数和(自身を除く): 686794680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 47, 52, 54, 60, 65, 72, 78, 90, 94, 104, 108, 117, 120, 130, 135, 141, 156, 180, 188, 195, 216, 234, 235, 260, 270, 282, 312, 351, 360, 376, 389, 390, 423, 468, 470, 520, 540, 564, 585, 611, 702, 705, 778, 780, 846, 936, 940, 1080, 1128, 1167, 1170, 1222, 1269, 1404, 1410, 1556, 1560, 1692, 1755, 1833, 1880, 1945, 2115, 2334, 2340, 2444, 2538, 2808, 2820, 3055, 3112, 3384, 3501, 3510, 3666, 3890, 4230, 4668, 4680, 4888, 5057, 5076, 5499, 5640, 5835, 6110, 6345, 7002, 7020, 7332, 7780, 8460, 9165, 9336, 10114, 10152, 10503, 10998, 11670, 12220, 12690, 14004, 14040, 14664, 15171, 15560, 16497, 16920, 17505, 18283, 18330, 20228, 21006, 21996, 23340, 24440, 25285, 25380, 27495, 28008, 30342, 32994, 35010, 36566, 36660, 40456, 42012, 43992, 45513, 46680, 50570, 50760, 52515, 54849, 54990, 60684, 65988, 70020, 73132, 73320, 75855, 82485, 84024, 91026, 91415, 101140, 105030, 109698, 109980, 121368, 131976, 136539, 140040, 146264, 151710, 164547, 164970, 182052, 182830, 202280, 210060, 219396, 219960, 227565, 237679, 273078, 274245, 303420, 329094, 329940, 364104, 365660, 420120, 438792, 455130, 475358, 493641, 546156, 548490, 606840, 658188, 659880, 682695, 713037, 731320, 822735, 910260, 950716, 987282, 1092312, 1096980, 1188395, 1316376, 1365390, 1426074, 1645470, 1820520, 1901432, 1974564, 2139111, 2193960, 2376790, 2468205, 2730780, 2852148, 3290940, 3565185, 3949128, 4278222, 4753580, 4936410, 5461560, 5704296, 6417333, 6581880, 7130370, 8556444, 9507160, 9872820, 10695555, 12834666, 14260740, 17112888, 19745640, 21391110, 25669332, 28521480, 32086665, 42782220, 51338664, 64173330, 85564440, 128346660, 256693320]

約数ペア:

[(1, 256693320), (2, 128346660), (3, 85564440), (4, 64173330), (5, 51338664), (6, 42782220), (8, 32086665), (9, 28521480), (10, 25669332), (12, 21391110), (13, 19745640), (15, 17112888), (18, 14260740), (20, 12834666), (24, 10695555), (26, 9872820), (27, 9507160), (30, 8556444), (36, 7130370), (39, 6581880), (40, 6417333), (45, 5704296), (47, 5461560), (52, 4936410), (54, 4753580), (60, 4278222), (65, 3949128), (72, 3565185), (78, 3290940), (90, 2852148), (94, 2730780), (104, 2468205), (108, 2376790), (117, 2193960), (120, 2139111), (130, 1974564), (135, 1901432), (141, 1820520), (156, 1645470), (180, 1426074), (188, 1365390), (195, 1316376), (216, 1188395), (234, 1096980), (235, 1092312), (260, 987282), (270, 950716), (282, 910260), (312, 822735), (351, 731320), (360, 713037), (376, 682695), (389, 659880), (390, 658188), (423, 606840), (468, 548490), (470, 546156), (520, 493641), (540, 475358), (564, 455130), (585, 438792), (611, 420120), (702, 365660), (705, 364104), (778, 329940), (780, 329094), (846, 303420), (936, 274245), (940, 273078), (1080, 237679), (1128, 227565), (1167, 219960), (1170, 219396), (1222, 210060), (1269, 202280), (1404, 182830), (1410, 182052), (1556, 164970), (1560, 164547), (1692, 151710), (1755, 146264), (1833, 140040), (1880, 136539), (1945, 131976), (2115, 121368), (2334, 109980), (2340, 109698), (2444, 105030), (2538, 101140), (2808, 91415), (2820, 91026), (3055, 84024), (3112, 82485), (3384, 75855), (3501, 73320), (3510, 73132), (3666, 70020), (3890, 65988), (4230, 60684), (4668, 54990), (4680, 54849), (4888, 52515), (5057, 50760), (5076, 50570), (5499, 46680), (5640, 45513), (5835, 43992), (6110, 42012), (6345, 40456), (7002, 36660), (7020, 36566), (7332, 35010), (7780, 32994), (8460, 30342), (9165, 28008), (9336, 27495), (10114, 25380), (10152, 25285), (10503, 24440), (10998, 23340), (11670, 21996), (12220, 21006), (12690, 20228), (14004, 18330), (14040, 18283), (14664, 17505), (15171, 16920), (15560, 16497)]