28125360

素因数分解:

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

素因数の和:500

約数の個数: 160

約数和(自身を含む): 100440000

約数和(自身を除く): 72314640

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, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 449, 464, 522, 540, 580, 696, 720, 783, 870, 898, 1044, 1080, 1160, 1305, 1347, 1392, 1566, 1740, 1796, 2088, 2160, 2245, 2320, 2610, 2694, 3132, 3480, 3592, 3915, 4041, 4176, 4490, 5220, 5388, 6264, 6735, 6960, 7184, 7830, 8082, 8980, 10440, 10776, 12123, 12528, 13021, 13470, 15660, 16164, 17960, 20205, 20880, 21552, 24246, 26042, 26940, 31320, 32328, 35920, 39063, 40410, 48492, 52084, 53880, 60615, 62640, 64656, 65105, 78126, 80820, 96984, 104168, 107760, 117189, 121230, 130210, 156252, 161640, 193968, 195315, 208336, 234378, 242460, 260420, 312504, 323280, 351567, 390630, 468756, 484920, 520840, 585945, 625008, 703134, 781260, 937512, 969840, 1041680, 1171890, 1406268, 1562520, 1757835, 1875024, 2343780, 2812536, 3125040, 3515670, 4687560, 5625072, 7031340, 9375120, 14062680, 28125360]

約数ペア:

[(1, 28125360), (2, 14062680), (3, 9375120), (4, 7031340), (5, 5625072), (6, 4687560), (8, 3515670), (9, 3125040), (10, 2812536), (12, 2343780), (15, 1875024), (16, 1757835), (18, 1562520), (20, 1406268), (24, 1171890), (27, 1041680), (29, 969840), (30, 937512), (36, 781260), (40, 703134), (45, 625008), (48, 585945), (54, 520840), (58, 484920), (60, 468756), (72, 390630), (80, 351567), (87, 323280), (90, 312504), (108, 260420), (116, 242460), (120, 234378), (135, 208336), (144, 195315), (145, 193968), (174, 161640), (180, 156252), (216, 130210), (232, 121230), (240, 117189), (261, 107760), (270, 104168), (290, 96984), (348, 80820), (360, 78126), (432, 65105), (435, 64656), (449, 62640), (464, 60615), (522, 53880), (540, 52084), (580, 48492), (696, 40410), (720, 39063), (783, 35920), (870, 32328), (898, 31320), (1044, 26940), (1080, 26042), (1160, 24246), (1305, 21552), (1347, 20880), (1392, 20205), (1566, 17960), (1740, 16164), (1796, 15660), (2088, 13470), (2160, 13021), (2245, 12528), (2320, 12123), (2610, 10776), (2694, 10440), (3132, 8980), (3480, 8082), (3592, 7830), (3915, 7184), (4041, 6960), (4176, 6735), (4490, 6264), (5220, 5388)]