285210240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21221}}^1$

素因数の和:21250

約数の個数: 128

約数和(自身を含む): 1039029120

約数和(自身を除く): 753818880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21221, 42442, 63663, 84884, 106105, 127326, 148547, 169768, 212210, 254652, 297094, 318315, 339536, 424420, 445641, 509304, 594188, 636630, 679072, 742735, 848840, 891282, 1018608, 1188376, 1273260, 1358144, 1485470, 1697680, 1782564, 2037216, 2228205, 2376752, 2546520, 2716288, 2970940, 3395360, 3565128, 4074432, 4456410, 4753504, 5093040, 5941880, 6790720, 7130256, 8148864, 8912820, 9507008, 10186080, 11883760, 13581440, 14260512, 17825640, 19014016, 20372160, 23767520, 28521024, 35651280, 40744320, 47535040, 57042048, 71302560, 95070080, 142605120, 285210240]

約数ペア:

[(1, 285210240), (2, 142605120), (3, 95070080), (4, 71302560), (5, 57042048), (6, 47535040), (7, 40744320), (8, 35651280), (10, 28521024), (12, 23767520), (14, 20372160), (15, 19014016), (16, 17825640), (20, 14260512), (21, 13581440), (24, 11883760), (28, 10186080), (30, 9507008), (32, 8912820), (35, 8148864), (40, 7130256), (42, 6790720), (48, 5941880), (56, 5093040), (60, 4753504), (64, 4456410), (70, 4074432), (80, 3565128), (84, 3395360), (96, 2970940), (105, 2716288), (112, 2546520), (120, 2376752), (128, 2228205), (140, 2037216), (160, 1782564), (168, 1697680), (192, 1485470), (210, 1358144), (224, 1273260), (240, 1188376), (280, 1018608), (320, 891282), (336, 848840), (384, 742735), (420, 679072), (448, 636630), (480, 594188), (560, 509304), (640, 445641), (672, 424420), (840, 339536), (896, 318315), (960, 297094), (1120, 254652), (1344, 212210), (1680, 169768), (1920, 148547), (2240, 127326), (2688, 106105), (3360, 84884), (4480, 63663), (6720, 42442), (13440, 21221)]