20800800

素因数分解:

$2^5\times 3^5\times 5^2\times {\mathrm{107}}^1$

素因数の和:142

約数の個数: 216

約数和(自身を含む): 76776336

約数和(自身を除く): 55975536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 107, 108, 120, 135, 144, 150, 160, 162, 180, 200, 214, 216, 225, 240, 243, 270, 288, 300, 321, 324, 360, 400, 405, 428, 432, 450, 480, 486, 535, 540, 600, 642, 648, 675, 720, 800, 810, 856, 864, 900, 963, 972, 1070, 1080, 1200, 1215, 1284, 1296, 1350, 1440, 1605, 1620, 1712, 1800, 1926, 1944, 2025, 2140, 2160, 2400, 2430, 2568, 2592, 2675, 2700, 2889, 3210, 3240, 3424, 3600, 3852, 3888, 4050, 4280, 4320, 4815, 4860, 5136, 5350, 5400, 5778, 6075, 6420, 6480, 7200, 7704, 7776, 8025, 8100, 8560, 8667, 9630, 9720, 10272, 10700, 10800, 11556, 12150, 12840, 12960, 14445, 15408, 16050, 16200, 17120, 17334, 19260, 19440, 21400, 21600, 23112, 24075, 24300, 25680, 26001, 28890, 30816, 32100, 32400, 34668, 38520, 38880, 42800, 43335, 46224, 48150, 48600, 51360, 52002, 57780, 64200, 64800, 69336, 72225, 77040, 85600, 86670, 92448, 96300, 97200, 104004, 115560, 128400, 130005, 138672, 144450, 154080, 173340, 192600, 194400, 208008, 216675, 231120, 256800, 260010, 277344, 288900, 346680, 385200, 416016, 433350, 462240, 520020, 577800, 650025, 693360, 770400, 832032, 866700, 1040040, 1155600, 1300050, 1386720, 1733400, 2080080, 2311200, 2600100, 3466800, 4160160, 5200200, 6933600, 10400400, 20800800]

約数ペア:

[(1, 20800800), (2, 10400400), (3, 6933600), (4, 5200200), (5, 4160160), (6, 3466800), (8, 2600100), (9, 2311200), (10, 2080080), (12, 1733400), (15, 1386720), (16, 1300050), (18, 1155600), (20, 1040040), (24, 866700), (25, 832032), (27, 770400), (30, 693360), (32, 650025), (36, 577800), (40, 520020), (45, 462240), (48, 433350), (50, 416016), (54, 385200), (60, 346680), (72, 288900), (75, 277344), (80, 260010), (81, 256800), (90, 231120), (96, 216675), (100, 208008), (107, 194400), (108, 192600), (120, 173340), (135, 154080), (144, 144450), (150, 138672), (160, 130005), (162, 128400), (180, 115560), (200, 104004), (214, 97200), (216, 96300), (225, 92448), (240, 86670), (243, 85600), (270, 77040), (288, 72225), (300, 69336), (321, 64800), (324, 64200), (360, 57780), (400, 52002), (405, 51360), (428, 48600), (432, 48150), (450, 46224), (480, 43335), (486, 42800), (535, 38880), (540, 38520), (600, 34668), (642, 32400), (648, 32100), (675, 30816), (720, 28890), (800, 26001), (810, 25680), (856, 24300), (864, 24075), (900, 23112), (963, 21600), (972, 21400), (1070, 19440), (1080, 19260), (1200, 17334), (1215, 17120), (1284, 16200), (1296, 16050), (1350, 15408), (1440, 14445), (1605, 12960), (1620, 12840), (1712, 12150), (1800, 11556), (1926, 10800), (1944, 10700), (2025, 10272), (2140, 9720), (2160, 9630), (2400, 8667), (2430, 8560), (2568, 8100), (2592, 8025), (2675, 7776), (2700, 7704), (2889, 7200), (3210, 6480), (3240, 6420), (3424, 6075), (3600, 5778), (3852, 5400), (3888, 5350), (4050, 5136), (4280, 4860), (4320, 4815)]