28373760

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{821}}^1$

素因数の和:851

約数の個数: 144

約数和(自身を含む): 100810080

約数和(自身を除く): 72436320

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, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 821, 864, 960, 1080, 1152, 1280, 1440, 1642, 1728, 1920, 2160, 2304, 2463, 2880, 3284, 3456, 3840, 4105, 4320, 4926, 5760, 6568, 6912, 7389, 8210, 8640, 9852, 11520, 12315, 13136, 14778, 16420, 17280, 19704, 22167, 24630, 26272, 29556, 32840, 34560, 36945, 39408, 44334, 49260, 52544, 59112, 65680, 73890, 78816, 88668, 98520, 105088, 110835, 118224, 131360, 147780, 157632, 177336, 197040, 210176, 221670, 236448, 262720, 295560, 315264, 354672, 394080, 443340, 472896, 525440, 591120, 630528, 709344, 788160, 886680, 945792, 1050880, 1182240, 1418688, 1576320, 1773360, 1891584, 2364480, 2837376, 3152640, 3546720, 4728960, 5674752, 7093440, 9457920, 14186880, 28373760]

約数ペア:

[(1, 28373760), (2, 14186880), (3, 9457920), (4, 7093440), (5, 5674752), (6, 4728960), (8, 3546720), (9, 3152640), (10, 2837376), (12, 2364480), (15, 1891584), (16, 1773360), (18, 1576320), (20, 1418688), (24, 1182240), (27, 1050880), (30, 945792), (32, 886680), (36, 788160), (40, 709344), (45, 630528), (48, 591120), (54, 525440), (60, 472896), (64, 443340), (72, 394080), (80, 354672), (90, 315264), (96, 295560), (108, 262720), (120, 236448), (128, 221670), (135, 210176), (144, 197040), (160, 177336), (180, 157632), (192, 147780), (216, 131360), (240, 118224), (256, 110835), (270, 105088), (288, 98520), (320, 88668), (360, 78816), (384, 73890), (432, 65680), (480, 59112), (540, 52544), (576, 49260), (640, 44334), (720, 39408), (768, 36945), (821, 34560), (864, 32840), (960, 29556), (1080, 26272), (1152, 24630), (1280, 22167), (1440, 19704), (1642, 17280), (1728, 16420), (1920, 14778), (2160, 13136), (2304, 12315), (2463, 11520), (2880, 9852), (3284, 8640), (3456, 8210), (3840, 7389), (4105, 6912), (4320, 6568), (4926, 5760)]