205814520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:619

約数の個数: 160

約数和(自身を含む): 698266800

約数和(自身を除く): 492452280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 139, 162, 180, 216, 270, 278, 324, 360, 405, 417, 457, 540, 556, 648, 695, 810, 834, 914, 1080, 1112, 1251, 1371, 1390, 1620, 1668, 1828, 2085, 2285, 2502, 2742, 2780, 3240, 3336, 3656, 3753, 4113, 4170, 4570, 5004, 5484, 5560, 6255, 6855, 7506, 8226, 8340, 9140, 10008, 10968, 11259, 12339, 12510, 13710, 15012, 16452, 16680, 18280, 18765, 20565, 22518, 24678, 25020, 27420, 30024, 32904, 37017, 37530, 41130, 45036, 49356, 50040, 54840, 56295, 61695, 63523, 74034, 75060, 82260, 90072, 98712, 112590, 123390, 127046, 148068, 150120, 164520, 185085, 190569, 225180, 246780, 254092, 296136, 317615, 370170, 381138, 450360, 493560, 508184, 571707, 635230, 740340, 762276, 952845, 1143414, 1270460, 1480680, 1524552, 1715121, 1905690, 2286828, 2540920, 2858535, 3430242, 3811380, 4573656, 5145363, 5717070, 6860484, 7622760, 8575605, 10290726, 11434140, 13720968, 17151210, 20581452, 22868280, 25726815, 34302420, 41162904, 51453630, 68604840, 102907260, 205814520]

約数ペア:

[(1, 205814520), (2, 102907260), (3, 68604840), (4, 51453630), (5, 41162904), (6, 34302420), (8, 25726815), (9, 22868280), (10, 20581452), (12, 17151210), (15, 13720968), (18, 11434140), (20, 10290726), (24, 8575605), (27, 7622760), (30, 6860484), (36, 5717070), (40, 5145363), (45, 4573656), (54, 3811380), (60, 3430242), (72, 2858535), (81, 2540920), (90, 2286828), (108, 1905690), (120, 1715121), (135, 1524552), (139, 1480680), (162, 1270460), (180, 1143414), (216, 952845), (270, 762276), (278, 740340), (324, 635230), (360, 571707), (405, 508184), (417, 493560), (457, 450360), (540, 381138), (556, 370170), (648, 317615), (695, 296136), (810, 254092), (834, 246780), (914, 225180), (1080, 190569), (1112, 185085), (1251, 164520), (1371, 150120), (1390, 148068), (1620, 127046), (1668, 123390), (1828, 112590), (2085, 98712), (2285, 90072), (2502, 82260), (2742, 75060), (2780, 74034), (3240, 63523), (3336, 61695), (3656, 56295), (3753, 54840), (4113, 50040), (4170, 49356), (4570, 45036), (5004, 41130), (5484, 37530), (5560, 37017), (6255, 32904), (6855, 30024), (7506, 27420), (8226, 25020), (8340, 24678), (9140, 22518), (10008, 20565), (10968, 18765), (11259, 18280), (12339, 16680), (12510, 16452), (13710, 15012)]