253128240

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 240

約数和(自身を含む): 914004000

約数和(自身を除く): 660875760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 162, 174, 180, 216, 232, 240, 243, 261, 270, 290, 324, 348, 360, 405, 432, 435, 449, 464, 486, 522, 540, 580, 648, 696, 720, 783, 810, 870, 898, 972, 1044, 1080, 1160, 1215, 1296, 1305, 1347, 1392, 1566, 1620, 1740, 1796, 1944, 2088, 2160, 2245, 2320, 2349, 2430, 2610, 2694, 3132, 3240, 3480, 3592, 3888, 3915, 4041, 4176, 4490, 4698, 4860, 5220, 5388, 6264, 6480, 6735, 6960, 7047, 7184, 7830, 8082, 8980, 9396, 9720, 10440, 10776, 11745, 12123, 12528, 13021, 13470, 14094, 15660, 16164, 17960, 18792, 19440, 20205, 20880, 21552, 23490, 24246, 26042, 26940, 28188, 31320, 32328, 35235, 35920, 36369, 37584, 39063, 40410, 46980, 48492, 52084, 53880, 56376, 60615, 62640, 64656, 65105, 70470, 72738, 78126, 80820, 93960, 96984, 104168, 107760, 109107, 112752, 117189, 121230, 130210, 140940, 145476, 156252, 161640, 181845, 187920, 193968, 195315, 208336, 218214, 234378, 242460, 260420, 281880, 290952, 312504, 323280, 351567, 363690, 390630, 436428, 468756, 484920, 520840, 545535, 563760, 581904, 585945, 625008, 703134, 727380, 781260, 872856, 937512, 969840, 1041680, 1054701, 1091070, 1171890, 1406268, 1454760, 1562520, 1745712, 1757835, 1875024, 2109402, 2182140, 2343780, 2812536, 2909520, 3125040, 3164103, 3515670, 4218804, 4364280, 4687560, 5273505, 5625072, 6328206, 7031340, 8437608, 8728560, 9375120, 10547010, 12656412, 14062680, 15820515, 16875216, 21094020, 25312824, 28125360, 31641030, 42188040, 50625648, 63282060, 84376080, 126564120, 253128240]

約数ペア:

[(1, 253128240), (2, 126564120), (3, 84376080), (4, 63282060), (5, 50625648), (6, 42188040), (8, 31641030), (9, 28125360), (10, 25312824), (12, 21094020), (15, 16875216), (16, 15820515), (18, 14062680), (20, 12656412), (24, 10547010), (27, 9375120), (29, 8728560), (30, 8437608), (36, 7031340), (40, 6328206), (45, 5625072), (48, 5273505), (54, 4687560), (58, 4364280), (60, 4218804), (72, 3515670), (80, 3164103), (81, 3125040), (87, 2909520), (90, 2812536), (108, 2343780), (116, 2182140), (120, 2109402), (135, 1875024), (144, 1757835), (145, 1745712), (162, 1562520), (174, 1454760), (180, 1406268), (216, 1171890), (232, 1091070), (240, 1054701), (243, 1041680), (261, 969840), (270, 937512), (290, 872856), (324, 781260), (348, 727380), (360, 703134), (405, 625008), (432, 585945), (435, 581904), (449, 563760), (464, 545535), (486, 520840), (522, 484920), (540, 468756), (580, 436428), (648, 390630), (696, 363690), (720, 351567), (783, 323280), (810, 312504), (870, 290952), (898, 281880), (972, 260420), (1044, 242460), (1080, 234378), (1160, 218214), (1215, 208336), (1296, 195315), (1305, 193968), (1347, 187920), (1392, 181845), (1566, 161640), (1620, 156252), (1740, 145476), (1796, 140940), (1944, 130210), (2088, 121230), (2160, 117189), (2245, 112752), (2320, 109107), (2349, 107760), (2430, 104168), (2610, 96984), (2694, 93960), (3132, 80820), (3240, 78126), (3480, 72738), (3592, 70470), (3888, 65105), (3915, 64656), (4041, 62640), (4176, 60615), (4490, 56376), (4698, 53880), (4860, 52084), (5220, 48492), (5388, 46980), (6264, 40410), (6480, 39063), (6735, 37584), (6960, 36369), (7047, 35920), (7184, 35235), (7830, 32328), (8082, 31320), (8980, 28188), (9396, 26940), (9720, 26042), (10440, 24246), (10776, 23490), (11745, 21552), (12123, 20880), (12528, 20205), (13021, 19440), (13470, 18792), (14094, 17960), (15660, 16164)]