204520140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 240

約数和(自身を含む): 731808000

約数和(自身を除く): 527287860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 81, 90, 92, 99, 108, 110, 115, 132, 135, 138, 162, 165, 180, 198, 207, 220, 230, 253, 270, 276, 297, 324, 330, 345, 396, 405, 414, 460, 495, 499, 506, 540, 594, 621, 660, 690, 759, 810, 828, 891, 990, 998, 1012, 1035, 1188, 1242, 1265, 1380, 1485, 1497, 1518, 1620, 1782, 1863, 1980, 1996, 2070, 2277, 2484, 2495, 2530, 2970, 2994, 3036, 3105, 3564, 3726, 3795, 4140, 4455, 4491, 4554, 4990, 5060, 5489, 5940, 5988, 6210, 6831, 7452, 7485, 7590, 8910, 8982, 9108, 9315, 9980, 10978, 11385, 11477, 12420, 13473, 13662, 14970, 15180, 16467, 17820, 17964, 18630, 20493, 21956, 22455, 22770, 22954, 26946, 27324, 27445, 29940, 32934, 34155, 34431, 37260, 40419, 40986, 44910, 45540, 45908, 49401, 53892, 54890, 57385, 65868, 67365, 68310, 68862, 80838, 81972, 82335, 89820, 98802, 102465, 103293, 109780, 114770, 126247, 134730, 136620, 137724, 148203, 161676, 164670, 172155, 197604, 202095, 204930, 206586, 229540, 247005, 252494, 269460, 296406, 309879, 329340, 344310, 378741, 404190, 409860, 413172, 444609, 494010, 504988, 516465, 592812, 619758, 631235, 688620, 741015, 757482, 808380, 889218, 929637, 988020, 1032930, 1136223, 1239516, 1262470, 1482030, 1514964, 1549395, 1778436, 1859274, 1893705, 2065860, 2223045, 2272446, 2524940, 2964060, 3098790, 3408669, 3718548, 3787410, 4446090, 4544892, 4648185, 5681115, 6197580, 6817338, 7574820, 8892180, 9296370, 10226007, 11362230, 13634676, 17043345, 18592740, 20452014, 22724460, 34086690, 40904028, 51130035, 68173380, 102260070, 204520140]

約数ペア:

[(1, 204520140), (2, 102260070), (3, 68173380), (4, 51130035), (5, 40904028), (6, 34086690), (9, 22724460), (10, 20452014), (11, 18592740), (12, 17043345), (15, 13634676), (18, 11362230), (20, 10226007), (22, 9296370), (23, 8892180), (27, 7574820), (30, 6817338), (33, 6197580), (36, 5681115), (44, 4648185), (45, 4544892), (46, 4446090), (54, 3787410), (55, 3718548), (60, 3408669), (66, 3098790), (69, 2964060), (81, 2524940), (90, 2272446), (92, 2223045), (99, 2065860), (108, 1893705), (110, 1859274), (115, 1778436), (132, 1549395), (135, 1514964), (138, 1482030), (162, 1262470), (165, 1239516), (180, 1136223), (198, 1032930), (207, 988020), (220, 929637), (230, 889218), (253, 808380), (270, 757482), (276, 741015), (297, 688620), (324, 631235), (330, 619758), (345, 592812), (396, 516465), (405, 504988), (414, 494010), (460, 444609), (495, 413172), (499, 409860), (506, 404190), (540, 378741), (594, 344310), (621, 329340), (660, 309879), (690, 296406), (759, 269460), (810, 252494), (828, 247005), (891, 229540), (990, 206586), (998, 204930), (1012, 202095), (1035, 197604), (1188, 172155), (1242, 164670), (1265, 161676), (1380, 148203), (1485, 137724), (1497, 136620), (1518, 134730), (1620, 126247), (1782, 114770), (1863, 109780), (1980, 103293), (1996, 102465), (2070, 98802), (2277, 89820), (2484, 82335), (2495, 81972), (2530, 80838), (2970, 68862), (2994, 68310), (3036, 67365), (3105, 65868), (3564, 57385), (3726, 54890), (3795, 53892), (4140, 49401), (4455, 45908), (4491, 45540), (4554, 44910), (4990, 40986), (5060, 40419), (5489, 37260), (5940, 34431), (5988, 34155), (6210, 32934), (6831, 29940), (7452, 27445), (7485, 27324), (7590, 26946), (8910, 22954), (8982, 22770), (9108, 22455), (9315, 21956), (9980, 20493), (10978, 18630), (11385, 17964), (11477, 17820), (12420, 16467), (13473, 15180), (13662, 14970)]