20195646720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{51061}}^1$

素因数の和:51188

約数の個数: 144

約数和(自身を含む): 65127334272

約数和(自身を除く): 44931687552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 192, 206, 240, 256, 309, 320, 384, 412, 480, 515, 618, 640, 768, 824, 960, 1030, 1236, 1280, 1545, 1648, 1920, 2060, 2472, 3090, 3296, 3840, 4120, 4944, 6180, 6592, 8240, 9888, 12360, 13184, 16480, 19776, 24720, 26368, 32960, 39552, 49440, 51061, 65920, 79104, 98880, 102122, 131840, 153183, 197760, 204244, 255305, 306366, 395520, 408488, 510610, 612732, 765915, 816976, 1021220, 1225464, 1531830, 1633952, 2042440, 2450928, 3063660, 3267904, 4084880, 4901856, 5259283, 6127320, 6535808, 8169760, 9803712, 10518566, 12254640, 13071616, 15777849, 16339520, 19607424, 21037132, 24509280, 26296415, 31555698, 32679040, 39214848, 42074264, 49018560, 52592830, 63111396, 65358080, 78889245, 84148528, 98037120, 105185660, 126222792, 157778490, 168297056, 196074240, 210371320, 252445584, 315556980, 336594112, 420742640, 504891168, 631113960, 673188224, 841485280, 1009782336, 1262227920, 1346376448, 1682970560, 2019564672, 2524455840, 3365941120, 4039129344, 5048911680, 6731882240, 10097823360, 20195646720]

約数ペア:

[(1, 20195646720), (2, 10097823360), (3, 6731882240), (4, 5048911680), (5, 4039129344), (6, 3365941120), (8, 2524455840), (10, 2019564672), (12, 1682970560), (15, 1346376448), (16, 1262227920), (20, 1009782336), (24, 841485280), (30, 673188224), (32, 631113960), (40, 504891168), (48, 420742640), (60, 336594112), (64, 315556980), (80, 252445584), (96, 210371320), (103, 196074240), (120, 168297056), (128, 157778490), (160, 126222792), (192, 105185660), (206, 98037120), (240, 84148528), (256, 78889245), (309, 65358080), (320, 63111396), (384, 52592830), (412, 49018560), (480, 42074264), (515, 39214848), (618, 32679040), (640, 31555698), (768, 26296415), (824, 24509280), (960, 21037132), (1030, 19607424), (1236, 16339520), (1280, 15777849), (1545, 13071616), (1648, 12254640), (1920, 10518566), (2060, 9803712), (2472, 8169760), (3090, 6535808), (3296, 6127320), (3840, 5259283), (4120, 4901856), (4944, 4084880), (6180, 3267904), (6592, 3063660), (8240, 2450928), (9888, 2042440), (12360, 1633952), (13184, 1531830), (16480, 1225464), (19776, 1021220), (24720, 816976), (26368, 765915), (32960, 612732), (39552, 510610), (49440, 408488), (51061, 395520), (65920, 306366), (79104, 255305), (98880, 204244), (102122, 197760), (131840, 153183)]