206585820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1440

約数の個数: 144

約数和(自身を含む): 722362368

約数和(自身を除く): 515776548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1291, 1524, 1778, 1905, 2286, 2540, 2582, 2667, 3556, 3810, 3873, 4445, 4572, 5164, 5334, 5715, 6455, 7620, 7746, 8001, 8890, 9037, 10668, 11430, 11619, 12910, 13335, 15492, 16002, 17780, 18074, 19365, 22860, 23238, 25820, 26670, 27111, 32004, 36148, 38730, 40005, 45185, 46476, 53340, 54222, 58095, 77460, 80010, 81333, 90370, 108444, 116190, 135555, 160020, 162666, 163957, 180740, 232380, 271110, 325332, 327914, 406665, 491871, 542220, 655828, 813330, 819785, 983742, 1147699, 1475613, 1626660, 1639570, 1967484, 2295398, 2459355, 2951226, 3279140, 3443097, 4590796, 4918710, 5738495, 5902452, 6886194, 7378065, 9837420, 10329291, 11476990, 13772388, 14756130, 17215485, 20658582, 22953980, 29512260, 34430970, 41317164, 51646455, 68861940, 103292910, 206585820]

約数ペア:

[(1, 206585820), (2, 103292910), (3, 68861940), (4, 51646455), (5, 41317164), (6, 34430970), (7, 29512260), (9, 22953980), (10, 20658582), (12, 17215485), (14, 14756130), (15, 13772388), (18, 11476990), (20, 10329291), (21, 9837420), (28, 7378065), (30, 6886194), (35, 5902452), (36, 5738495), (42, 4918710), (45, 4590796), (60, 3443097), (63, 3279140), (70, 2951226), (84, 2459355), (90, 2295398), (105, 1967484), (126, 1639570), (127, 1626660), (140, 1475613), (180, 1147699), (210, 983742), (252, 819785), (254, 813330), (315, 655828), (381, 542220), (420, 491871), (508, 406665), (630, 327914), (635, 325332), (762, 271110), (889, 232380), (1143, 180740), (1260, 163957), (1270, 162666), (1291, 160020), (1524, 135555), (1778, 116190), (1905, 108444), (2286, 90370), (2540, 81333), (2582, 80010), (2667, 77460), (3556, 58095), (3810, 54222), (3873, 53340), (4445, 46476), (4572, 45185), (5164, 40005), (5334, 38730), (5715, 36148), (6455, 32004), (7620, 27111), (7746, 26670), (8001, 25820), (8890, 23238), (9037, 22860), (10668, 19365), (11430, 18074), (11619, 17780), (12910, 16002), (13335, 15492)]