81510300

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:402

約数の個数: 180

約数和(自身を含む): 274123080

約数和(自身を除く): 192612780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 81, 87, 90, 100, 108, 116, 135, 145, 150, 162, 174, 180, 225, 261, 270, 290, 300, 324, 347, 348, 405, 435, 450, 522, 540, 580, 675, 694, 725, 783, 810, 870, 900, 1041, 1044, 1305, 1350, 1388, 1450, 1566, 1620, 1735, 1740, 2025, 2082, 2175, 2349, 2610, 2700, 2900, 3123, 3132, 3470, 3915, 4050, 4164, 4350, 4698, 5205, 5220, 6246, 6525, 6940, 7830, 8100, 8675, 8700, 9369, 9396, 10063, 10410, 11745, 12492, 13050, 15615, 15660, 17350, 18738, 19575, 20126, 20820, 23490, 26025, 26100, 28107, 30189, 31230, 34700, 37476, 39150, 40252, 46845, 46980, 50315, 52050, 56214, 58725, 60378, 62460, 78075, 78300, 90567, 93690, 100630, 104100, 112428, 117450, 120756, 140535, 150945, 156150, 181134, 187380, 201260, 234225, 234900, 251575, 271701, 281070, 301890, 312300, 362268, 452835, 468450, 503150, 543402, 562140, 603780, 702675, 754725, 815103, 905670, 936900, 1006300, 1086804, 1358505, 1405350, 1509450, 1630206, 1811340, 2264175, 2717010, 2810700, 3018900, 3260412, 4075515, 4528350, 5434020, 6792525, 8151030, 9056700, 13585050, 16302060, 20377575, 27170100, 40755150, 81510300]

約数ペア:

[(1, 81510300), (2, 40755150), (3, 27170100), (4, 20377575), (5, 16302060), (6, 13585050), (9, 9056700), (10, 8151030), (12, 6792525), (15, 5434020), (18, 4528350), (20, 4075515), (25, 3260412), (27, 3018900), (29, 2810700), (30, 2717010), (36, 2264175), (45, 1811340), (50, 1630206), (54, 1509450), (58, 1405350), (60, 1358505), (75, 1086804), (81, 1006300), (87, 936900), (90, 905670), (100, 815103), (108, 754725), (116, 702675), (135, 603780), (145, 562140), (150, 543402), (162, 503150), (174, 468450), (180, 452835), (225, 362268), (261, 312300), (270, 301890), (290, 281070), (300, 271701), (324, 251575), (347, 234900), (348, 234225), (405, 201260), (435, 187380), (450, 181134), (522, 156150), (540, 150945), (580, 140535), (675, 120756), (694, 117450), (725, 112428), (783, 104100), (810, 100630), (870, 93690), (900, 90567), (1041, 78300), (1044, 78075), (1305, 62460), (1350, 60378), (1388, 58725), (1450, 56214), (1566, 52050), (1620, 50315), (1735, 46980), (1740, 46845), (2025, 40252), (2082, 39150), (2175, 37476), (2349, 34700), (2610, 31230), (2700, 30189), (2900, 28107), (3123, 26100), (3132, 26025), (3470, 23490), (3915, 20820), (4050, 20126), (4164, 19575), (4350, 18738), (4698, 17350), (5205, 15660), (5220, 15615), (6246, 13050), (6525, 12492), (6940, 11745), (7830, 10410), (8100, 10063), (8675, 9396), (8700, 9369)]