51131640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2149

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 130308360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2099, 2436, 3045, 3480, 4060, 4198, 4872, 6090, 6297, 8120, 8396, 10495, 12180, 12594, 14693, 16792, 20990, 24360, 25188, 29386, 31485, 41980, 44079, 50376, 58772, 60871, 62970, 73465, 83960, 88158, 117544, 121742, 125940, 146930, 176316, 182613, 220395, 243484, 251880, 293860, 304355, 352632, 365226, 426097, 440790, 486968, 587720, 608710, 730452, 852194, 881580, 913065, 1217420, 1278291, 1460904, 1704388, 1763160, 1826130, 2130485, 2434840, 2556582, 3408776, 3652260, 4260970, 5113164, 6391455, 7304520, 8521940, 10226328, 12782910, 17043880, 25565820, 51131640]

約数ペア:

[(1, 51131640), (2, 25565820), (3, 17043880), (4, 12782910), (5, 10226328), (6, 8521940), (7, 7304520), (8, 6391455), (10, 5113164), (12, 4260970), (14, 3652260), (15, 3408776), (20, 2556582), (21, 2434840), (24, 2130485), (28, 1826130), (29, 1763160), (30, 1704388), (35, 1460904), (40, 1278291), (42, 1217420), (56, 913065), (58, 881580), (60, 852194), (70, 730452), (84, 608710), (87, 587720), (105, 486968), (116, 440790), (120, 426097), (140, 365226), (145, 352632), (168, 304355), (174, 293860), (203, 251880), (210, 243484), (232, 220395), (280, 182613), (290, 176316), (348, 146930), (406, 125940), (420, 121742), (435, 117544), (580, 88158), (609, 83960), (696, 73465), (812, 62970), (840, 60871), (870, 58772), (1015, 50376), (1160, 44079), (1218, 41980), (1624, 31485), (1740, 29386), (2030, 25188), (2099, 24360), (2436, 20990), (3045, 16792), (3480, 14693), (4060, 12594), (4198, 12180), (4872, 10495), (6090, 8396), (6297, 8120)]