28082880

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{199}}^1$

素因数の和:236

約数の個数: 252

約数和(自身を含む): 112928400

約数和(自身を除く): 84845520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 199, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 398, 420, 441, 448, 480, 490, 504, 560, 576, 588, 597, 630, 672, 720, 735, 784, 796, 840, 882, 960, 980, 995, 1008, 1120, 1176, 1194, 1260, 1344, 1393, 1440, 1470, 1568, 1592, 1680, 1764, 1791, 1960, 1990, 2016, 2205, 2240, 2352, 2388, 2520, 2786, 2880, 2940, 2985, 3136, 3184, 3360, 3528, 3582, 3920, 3980, 4032, 4179, 4410, 4704, 4776, 5040, 5572, 5880, 5970, 6368, 6720, 6965, 7056, 7164, 7840, 7960, 8358, 8820, 8955, 9408, 9552, 9751, 10080, 11144, 11760, 11940, 12537, 12736, 13930, 14112, 14328, 15680, 15920, 16716, 17640, 17910, 19104, 19502, 20160, 20895, 22288, 23520, 23880, 25074, 27860, 28224, 28656, 29253, 31840, 33432, 35280, 35820, 38208, 39004, 41790, 44576, 47040, 47760, 48755, 50148, 55720, 57312, 58506, 62685, 63680, 66864, 70560, 71640, 78008, 83580, 87759, 89152, 95520, 97510, 100296, 111440, 114624, 117012, 125370, 133728, 141120, 143280, 146265, 156016, 167160, 175518, 191040, 195020, 200592, 222880, 234024, 250740, 267456, 286560, 292530, 312032, 334320, 351036, 390040, 401184, 438795, 445760, 468048, 501480, 573120, 585060, 624064, 668640, 702072, 780080, 802368, 877590, 936096, 1002960, 1170120, 1337280, 1404144, 1560160, 1755180, 1872192, 2005920, 2340240, 2808288, 3120320, 3510360, 4011840, 4680480, 5616576, 7020720, 9360960, 14041440, 28082880]

約数ペア:

[(1, 28082880), (2, 14041440), (3, 9360960), (4, 7020720), (5, 5616576), (6, 4680480), (7, 4011840), (8, 3510360), (9, 3120320), (10, 2808288), (12, 2340240), (14, 2005920), (15, 1872192), (16, 1755180), (18, 1560160), (20, 1404144), (21, 1337280), (24, 1170120), (28, 1002960), (30, 936096), (32, 877590), (35, 802368), (36, 780080), (40, 702072), (42, 668640), (45, 624064), (48, 585060), (49, 573120), (56, 501480), (60, 468048), (63, 445760), (64, 438795), (70, 401184), (72, 390040), (80, 351036), (84, 334320), (90, 312032), (96, 292530), (98, 286560), (105, 267456), (112, 250740), (120, 234024), (126, 222880), (140, 200592), (144, 195020), (147, 191040), (160, 175518), (168, 167160), (180, 156016), (192, 146265), (196, 143280), (199, 141120), (210, 133728), (224, 125370), (240, 117012), (245, 114624), (252, 111440), (280, 100296), (288, 97510), (294, 95520), (315, 89152), (320, 87759), (336, 83580), (360, 78008), (392, 71640), (398, 70560), (420, 66864), (441, 63680), (448, 62685), (480, 58506), (490, 57312), (504, 55720), (560, 50148), (576, 48755), (588, 47760), (597, 47040), (630, 44576), (672, 41790), (720, 39004), (735, 38208), (784, 35820), (796, 35280), (840, 33432), (882, 31840), (960, 29253), (980, 28656), (995, 28224), (1008, 27860), (1120, 25074), (1176, 23880), (1194, 23520), (1260, 22288), (1344, 20895), (1393, 20160), (1440, 19502), (1470, 19104), (1568, 17910), (1592, 17640), (1680, 16716), (1764, 15920), (1791, 15680), (1960, 14328), (1990, 14112), (2016, 13930), (2205, 12736), (2240, 12537), (2352, 11940), (2388, 11760), (2520, 11144), (2786, 10080), (2880, 9751), (2940, 9552), (2985, 9408), (3136, 8955), (3184, 8820), (3360, 8358), (3528, 7960), (3582, 7840), (3920, 7164), (3980, 7056), (4032, 6965), (4179, 6720), (4410, 6368), (4704, 5970), (4776, 5880), (5040, 5572)]