205287680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 539983920

約数和(自身を除く): 334696240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 128, 130, 146, 160, 169, 208, 256, 260, 292, 320, 338, 365, 416, 520, 584, 640, 676, 730, 832, 845, 949, 1040, 1168, 1280, 1352, 1460, 1664, 1690, 1898, 2080, 2197, 2336, 2704, 2920, 3328, 3380, 3796, 4160, 4394, 4672, 4745, 5408, 5840, 6760, 7592, 8320, 8788, 9344, 9490, 10816, 10985, 11680, 12337, 13520, 15184, 16640, 17576, 18688, 18980, 21632, 21970, 23360, 24674, 27040, 30368, 35152, 37960, 43264, 43940, 46720, 49348, 54080, 60736, 61685, 70304, 75920, 87880, 93440, 98696, 108160, 121472, 123370, 140608, 151840, 160381, 175760, 197392, 216320, 242944, 246740, 281216, 303680, 320762, 351520, 394784, 493480, 562432, 607360, 641524, 703040, 789568, 801905, 986960, 1214720, 1283048, 1406080, 1579136, 1603810, 1973920, 2566096, 2812160, 3158272, 3207620, 3947840, 5132192, 6415240, 7895680, 10264384, 12830480, 15791360, 20528768, 25660960, 41057536, 51321920, 102643840, 205287680]

約数ペア:

[(1, 205287680), (2, 102643840), (4, 51321920), (5, 41057536), (8, 25660960), (10, 20528768), (13, 15791360), (16, 12830480), (20, 10264384), (26, 7895680), (32, 6415240), (40, 5132192), (52, 3947840), (64, 3207620), (65, 3158272), (73, 2812160), (80, 2566096), (104, 1973920), (128, 1603810), (130, 1579136), (146, 1406080), (160, 1283048), (169, 1214720), (208, 986960), (256, 801905), (260, 789568), (292, 703040), (320, 641524), (338, 607360), (365, 562432), (416, 493480), (520, 394784), (584, 351520), (640, 320762), (676, 303680), (730, 281216), (832, 246740), (845, 242944), (949, 216320), (1040, 197392), (1168, 175760), (1280, 160381), (1352, 151840), (1460, 140608), (1664, 123370), (1690, 121472), (1898, 108160), (2080, 98696), (2197, 93440), (2336, 87880), (2704, 75920), (2920, 70304), (3328, 61685), (3380, 60736), (3796, 54080), (4160, 49348), (4394, 46720), (4672, 43940), (4745, 43264), (5408, 37960), (5840, 35152), (6760, 30368), (7592, 27040), (8320, 24674), (8788, 23360), (9344, 21970), (9490, 21632), (10816, 18980), (10985, 18688), (11680, 17576), (12337, 16640), (13520, 15184)]