207981720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 700876800

約数和(自身を除く): 492895080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 79, 90, 103, 120, 142, 158, 180, 206, 213, 237, 284, 309, 316, 355, 360, 395, 412, 426, 474, 515, 568, 618, 632, 639, 710, 711, 790, 824, 852, 927, 948, 1030, 1065, 1185, 1236, 1278, 1420, 1422, 1545, 1580, 1704, 1854, 1896, 2060, 2130, 2370, 2472, 2556, 2840, 2844, 3090, 3160, 3195, 3555, 3708, 4120, 4260, 4635, 4740, 5112, 5609, 5688, 6180, 6390, 7110, 7313, 7416, 8137, 8520, 9270, 9480, 11218, 12360, 12780, 14220, 14626, 16274, 16827, 18540, 21939, 22436, 24411, 25560, 28045, 28440, 29252, 32548, 33654, 36565, 37080, 40685, 43878, 44872, 48822, 50481, 56090, 58504, 65096, 65817, 67308, 73130, 73233, 81370, 84135, 87756, 97644, 100962, 109695, 112180, 122055, 131634, 134616, 146260, 146466, 162740, 168270, 175512, 195288, 201924, 219390, 224360, 244110, 252405, 263268, 292520, 292932, 325480, 329085, 336540, 366165, 403848, 438780, 488220, 504810, 526536, 577727, 585864, 658170, 673080, 732330, 877560, 976440, 1009620, 1155454, 1316340, 1464660, 1733181, 2019240, 2310908, 2632680, 2888635, 2929320, 3466362, 4621816, 5199543, 5777270, 6932724, 8665905, 10399086, 11554540, 13865448, 17331810, 20798172, 23109080, 25997715, 34663620, 41596344, 51995430, 69327240, 103990860, 207981720]

約数ペア:

[(1, 207981720), (2, 103990860), (3, 69327240), (4, 51995430), (5, 41596344), (6, 34663620), (8, 25997715), (9, 23109080), (10, 20798172), (12, 17331810), (15, 13865448), (18, 11554540), (20, 10399086), (24, 8665905), (30, 6932724), (36, 5777270), (40, 5199543), (45, 4621816), (60, 3466362), (71, 2929320), (72, 2888635), (79, 2632680), (90, 2310908), (103, 2019240), (120, 1733181), (142, 1464660), (158, 1316340), (180, 1155454), (206, 1009620), (213, 976440), (237, 877560), (284, 732330), (309, 673080), (316, 658170), (355, 585864), (360, 577727), (395, 526536), (412, 504810), (426, 488220), (474, 438780), (515, 403848), (568, 366165), (618, 336540), (632, 329085), (639, 325480), (710, 292932), (711, 292520), (790, 263268), (824, 252405), (852, 244110), (927, 224360), (948, 219390), (1030, 201924), (1065, 195288), (1185, 175512), (1236, 168270), (1278, 162740), (1420, 146466), (1422, 146260), (1545, 134616), (1580, 131634), (1704, 122055), (1854, 112180), (1896, 109695), (2060, 100962), (2130, 97644), (2370, 87756), (2472, 84135), (2556, 81370), (2840, 73233), (2844, 73130), (3090, 67308), (3160, 65817), (3195, 65096), (3555, 58504), (3708, 56090), (4120, 50481), (4260, 48822), (4635, 44872), (4740, 43878), (5112, 40685), (5609, 37080), (5688, 36565), (6180, 33654), (6390, 32548), (7110, 29252), (7313, 28440), (7416, 28045), (8137, 25560), (8520, 24411), (9270, 22436), (9480, 21939), (11218, 18540), (12360, 16827), (12780, 16274), (14220, 14626)]