255031920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2520

約数の個数: 240

約数和(自身を含む): 1006623072

約数和(自身を除く): 751591152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1144, 1170, 1287, 1320, 1430, 1560, 1584, 1716, 1872, 1980, 2145, 2288, 2340, 2477, 2574, 2640, 2860, 3120, 3432, 3960, 4290, 4680, 4954, 5148, 5720, 6435, 6864, 7431, 7920, 8580, 9360, 9908, 10296, 11440, 12385, 12870, 14862, 17160, 19816, 20592, 22293, 24770, 25740, 27247, 29724, 32201, 34320, 37155, 39632, 44586, 49540, 51480, 54494, 59448, 64402, 74310, 81741, 89172, 96603, 99080, 102960, 108988, 111465, 118896, 128804, 136235, 148620, 161005, 163482, 178344, 193206, 198160, 217976, 222930, 245223, 257608, 272470, 289809, 297240, 322010, 326964, 354211, 356688, 386412, 408705, 435952, 445860, 483015, 490446, 515216, 544940, 579618, 594480, 644020, 653928, 708422, 772824, 817410, 891720, 966030, 980892, 1062633, 1089880, 1159236, 1226115, 1288040, 1307856, 1416844, 1449045, 1545648, 1634820, 1771055, 1783440, 1932060, 1961784, 2125266, 2179760, 2318472, 2452230, 2576080, 2833688, 2898090, 3187899, 3269640, 3542110, 3864120, 3923568, 4250532, 4636944, 4904460, 5313165, 5667376, 5796180, 6375798, 6539280, 7084220, 7728240, 8501064, 9808920, 10626330, 11592360, 12751596, 14168440, 15939495, 17002128, 19617840, 21252660, 23184720, 25503192, 28336880, 31878990, 42505320, 51006384, 63757980, 85010640, 127515960, 255031920]

約数ペア:

[(1, 255031920), (2, 127515960), (3, 85010640), (4, 63757980), (5, 51006384), (6, 42505320), (8, 31878990), (9, 28336880), (10, 25503192), (11, 23184720), (12, 21252660), (13, 19617840), (15, 17002128), (16, 15939495), (18, 14168440), (20, 12751596), (22, 11592360), (24, 10626330), (26, 9808920), (30, 8501064), (33, 7728240), (36, 7084220), (39, 6539280), (40, 6375798), (44, 5796180), (45, 5667376), (48, 5313165), (52, 4904460), (55, 4636944), (60, 4250532), (65, 3923568), (66, 3864120), (72, 3542110), (78, 3269640), (80, 3187899), (88, 2898090), (90, 2833688), (99, 2576080), (104, 2452230), (110, 2318472), (117, 2179760), (120, 2125266), (130, 1961784), (132, 1932060), (143, 1783440), (144, 1771055), (156, 1634820), (165, 1545648), (176, 1449045), (180, 1416844), (195, 1307856), (198, 1288040), (208, 1226115), (220, 1159236), (234, 1089880), (240, 1062633), (260, 980892), (264, 966030), (286, 891720), (312, 817410), (330, 772824), (360, 708422), (390, 653928), (396, 644020), (429, 594480), (440, 579618), (468, 544940), (495, 515216), (520, 490446), (528, 483015), (572, 445860), (585, 435952), (624, 408705), (660, 386412), (715, 356688), (720, 354211), (780, 326964), (792, 322010), (858, 297240), (880, 289809), (936, 272470), (990, 257608), (1040, 245223), (1144, 222930), (1170, 217976), (1287, 198160), (1320, 193206), (1430, 178344), (1560, 163482), (1584, 161005), (1716, 148620), (1872, 136235), (1980, 128804), (2145, 118896), (2288, 111465), (2340, 108988), (2477, 102960), (2574, 99080), (2640, 96603), (2860, 89172), (3120, 81741), (3432, 74310), (3960, 64402), (4290, 59448), (4680, 54494), (4954, 51480), (5148, 49540), (5720, 44586), (6435, 39632), (6864, 37155), (7431, 34320), (7920, 32201), (8580, 29724), (9360, 27247), (9908, 25740), (10296, 24770), (11440, 22293), (12385, 20592), (12870, 19816), (14862, 17160)]