205920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:45

約数の個数: 144

約数和(自身を含む): 825552

約数和(自身を除く): 619632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 32, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 96, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 160, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 288, 312, 330, 352, 360, 390, 396, 416, 429, 440, 468, 480, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1056, 1144, 1170, 1248, 1287, 1320, 1430, 1440, 1560, 1584, 1716, 1760, 1872, 1980, 2080, 2145, 2288, 2340, 2574, 2640, 2860, 3120, 3168, 3432, 3744, 3960, 4290, 4576, 4680, 5148, 5280, 5720, 6240, 6435, 6864, 7920, 8580, 9360, 10296, 11440, 12870, 13728, 15840, 17160, 18720, 20592, 22880, 25740, 34320, 41184, 51480, 68640, 102960, 205920]

約数ペア:

[(1, 205920), (2, 102960), (3, 68640), (4, 51480), (5, 41184), (6, 34320), (8, 25740), (9, 22880), (10, 20592), (11, 18720), (12, 17160), (13, 15840), (15, 13728), (16, 12870), (18, 11440), (20, 10296), (22, 9360), (24, 8580), (26, 7920), (30, 6864), (32, 6435), (33, 6240), (36, 5720), (39, 5280), (40, 5148), (44, 4680), (45, 4576), (48, 4290), (52, 3960), (55, 3744), (60, 3432), (65, 3168), (66, 3120), (72, 2860), (78, 2640), (80, 2574), (88, 2340), (90, 2288), (96, 2145), (99, 2080), (104, 1980), (110, 1872), (117, 1760), (120, 1716), (130, 1584), (132, 1560), (143, 1440), (144, 1430), (156, 1320), (160, 1287), (165, 1248), (176, 1170), (180, 1144), (195, 1056), (198, 1040), (208, 990), (220, 936), (234, 880), (240, 858), (260, 792), (264, 780), (286, 720), (288, 715), (312, 660), (330, 624), (352, 585), (360, 572), (390, 528), (396, 520), (416, 495), (429, 480), (440, 468)]