210955920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:853

約数の個数: 160

約数和(自身を含む): 752332800

約数和(自身を除く): 541376880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 280, 336, 398, 420, 560, 597, 631, 796, 840, 995, 1194, 1262, 1393, 1592, 1680, 1893, 1990, 2388, 2524, 2786, 2985, 3155, 3184, 3786, 3980, 4179, 4417, 4776, 5048, 5572, 5970, 6310, 6965, 7572, 7960, 8358, 8834, 9465, 9552, 10096, 11144, 11940, 12620, 13251, 13930, 15144, 15920, 16716, 17668, 18930, 20895, 22085, 22288, 23880, 25240, 26502, 27860, 30288, 33432, 35336, 37860, 41790, 44170, 47760, 50480, 53004, 55720, 66255, 66864, 70672, 75720, 83580, 88340, 106008, 111440, 125569, 132510, 151440, 167160, 176680, 212016, 251138, 265020, 334320, 353360, 376707, 502276, 530040, 627845, 753414, 878983, 1004552, 1060080, 1255690, 1506828, 1757966, 1883535, 2009104, 2511380, 2636949, 3013656, 3515932, 3767070, 4394915, 5022760, 5273898, 6027312, 7031864, 7534140, 8789830, 10045520, 10547796, 13184745, 14063728, 15068280, 17579660, 21095592, 26369490, 30136560, 35159320, 42191184, 52738980, 70318640, 105477960, 210955920]

約数ペア:

[(1, 210955920), (2, 105477960), (3, 70318640), (4, 52738980), (5, 42191184), (6, 35159320), (7, 30136560), (8, 26369490), (10, 21095592), (12, 17579660), (14, 15068280), (15, 14063728), (16, 13184745), (20, 10547796), (21, 10045520), (24, 8789830), (28, 7534140), (30, 7031864), (35, 6027312), (40, 5273898), (42, 5022760), (48, 4394915), (56, 3767070), (60, 3515932), (70, 3013656), (80, 2636949), (84, 2511380), (105, 2009104), (112, 1883535), (120, 1757966), (140, 1506828), (168, 1255690), (199, 1060080), (210, 1004552), (240, 878983), (280, 753414), (336, 627845), (398, 530040), (420, 502276), (560, 376707), (597, 353360), (631, 334320), (796, 265020), (840, 251138), (995, 212016), (1194, 176680), (1262, 167160), (1393, 151440), (1592, 132510), (1680, 125569), (1893, 111440), (1990, 106008), (2388, 88340), (2524, 83580), (2786, 75720), (2985, 70672), (3155, 66864), (3184, 66255), (3786, 55720), (3980, 53004), (4179, 50480), (4417, 47760), (4776, 44170), (5048, 41790), (5572, 37860), (5970, 35336), (6310, 33432), (6965, 30288), (7572, 27860), (7960, 26502), (8358, 25240), (8834, 23880), (9465, 22288), (9552, 22085), (10096, 20895), (11144, 18930), (11940, 17668), (12620, 16716), (13251, 15920), (13930, 15144)]