255352020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2909}}^1$

素因数の和:2958

約数の個数: 192

約数和(自身を含む): 938649600

約数和(自身を除く): 683297580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 231, 266, 285, 308, 330, 380, 385, 399, 418, 420, 462, 532, 570, 627, 660, 665, 770, 798, 836, 924, 1045, 1140, 1155, 1254, 1330, 1463, 1540, 1596, 1995, 2090, 2310, 2508, 2660, 2909, 2926, 3135, 3990, 4180, 4389, 4620, 5818, 5852, 6270, 7315, 7980, 8727, 8778, 11636, 12540, 14545, 14630, 17454, 17556, 20363, 21945, 29090, 29260, 31999, 34908, 40726, 43635, 43890, 55271, 58180, 61089, 63998, 81452, 87270, 87780, 95997, 101815, 110542, 122178, 127996, 159995, 165813, 174540, 191994, 203630, 221084, 223993, 244356, 276355, 305445, 319990, 331626, 383988, 386897, 407260, 447986, 479985, 552710, 607981, 610890, 639980, 663252, 671979, 773794, 829065, 895972, 959970, 1105420, 1119965, 1160691, 1215962, 1221780, 1343958, 1547588, 1658130, 1823943, 1919940, 1934485, 2239930, 2321382, 2431924, 2687916, 3039905, 3316260, 3359895, 3647886, 3868970, 4255867, 4479860, 4642764, 5803455, 6079810, 6719790, 7295772, 7737940, 8511734, 9119715, 11606910, 12159620, 12767601, 13439580, 17023468, 18239430, 21279335, 23213820, 25535202, 36478860, 42558670, 51070404, 63838005, 85117340, 127676010, 255352020]

約数ペア:

[(1, 255352020), (2, 127676010), (3, 85117340), (4, 63838005), (5, 51070404), (6, 42558670), (7, 36478860), (10, 25535202), (11, 23213820), (12, 21279335), (14, 18239430), (15, 17023468), (19, 13439580), (20, 12767601), (21, 12159620), (22, 11606910), (28, 9119715), (30, 8511734), (33, 7737940), (35, 7295772), (38, 6719790), (42, 6079810), (44, 5803455), (55, 4642764), (57, 4479860), (60, 4255867), (66, 3868970), (70, 3647886), (76, 3359895), (77, 3316260), (84, 3039905), (95, 2687916), (105, 2431924), (110, 2321382), (114, 2239930), (132, 1934485), (133, 1919940), (140, 1823943), (154, 1658130), (165, 1547588), (190, 1343958), (209, 1221780), (210, 1215962), (220, 1160691), (228, 1119965), (231, 1105420), (266, 959970), (285, 895972), (308, 829065), (330, 773794), (380, 671979), (385, 663252), (399, 639980), (418, 610890), (420, 607981), (462, 552710), (532, 479985), (570, 447986), (627, 407260), (660, 386897), (665, 383988), (770, 331626), (798, 319990), (836, 305445), (924, 276355), (1045, 244356), (1140, 223993), (1155, 221084), (1254, 203630), (1330, 191994), (1463, 174540), (1540, 165813), (1596, 159995), (1995, 127996), (2090, 122178), (2310, 110542), (2508, 101815), (2660, 95997), (2909, 87780), (2926, 87270), (3135, 81452), (3990, 63998), (4180, 61089), (4389, 58180), (4620, 55271), (5818, 43890), (5852, 43635), (6270, 40726), (7315, 34908), (7980, 31999), (8727, 29260), (8778, 29090), (11636, 21945), (12540, 20363), (14545, 17556), (14630, 17454)]