28840320

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1669}}^1$

素因数の和:1697

約数の個数: 128

約数和(自身を含む): 102204000

約数和(自身を除く): 73363680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1669, 1728, 1920, 2160, 2880, 3338, 3456, 4320, 5007, 5760, 6676, 8345, 8640, 10014, 13352, 15021, 16690, 17280, 20028, 25035, 26704, 30042, 33380, 40056, 45063, 50070, 53408, 60084, 66760, 75105, 80112, 90126, 100140, 106816, 120168, 133520, 150210, 160224, 180252, 200280, 213632, 225315, 240336, 267040, 300420, 320448, 360504, 400560, 450630, 480672, 534080, 600840, 640896, 721008, 801120, 901260, 961344, 1068160, 1201680, 1442016, 1602240, 1802520, 1922688, 2403360, 2884032, 3204480, 3605040, 4806720, 5768064, 7210080, 9613440, 14420160, 28840320]

約数ペア:

[(1, 28840320), (2, 14420160), (3, 9613440), (4, 7210080), (5, 5768064), (6, 4806720), (8, 3605040), (9, 3204480), (10, 2884032), (12, 2403360), (15, 1922688), (16, 1802520), (18, 1602240), (20, 1442016), (24, 1201680), (27, 1068160), (30, 961344), (32, 901260), (36, 801120), (40, 721008), (45, 640896), (48, 600840), (54, 534080), (60, 480672), (64, 450630), (72, 400560), (80, 360504), (90, 320448), (96, 300420), (108, 267040), (120, 240336), (128, 225315), (135, 213632), (144, 200280), (160, 180252), (180, 160224), (192, 150210), (216, 133520), (240, 120168), (270, 106816), (288, 100140), (320, 90126), (360, 80112), (384, 75105), (432, 66760), (480, 60084), (540, 53408), (576, 50070), (640, 45063), (720, 40056), (864, 33380), (960, 30042), (1080, 26704), (1152, 25035), (1440, 20028), (1669, 17280), (1728, 16690), (1920, 15021), (2160, 13352), (2880, 10014), (3338, 8640), (3456, 8345), (4320, 6676), (5007, 5760)]