51830240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{601}}^1$

素因数の和:641

約数の個数: 144

約数和(自身を含む): 155648304

約数和(自身を除く): 103818064

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 601, 616, 770, 784, 880, 980, 1078, 1120, 1202, 1232, 1540, 1568, 1760, 1960, 2156, 2404, 2464, 2695, 3005, 3080, 3920, 4207, 4312, 4808, 5390, 6010, 6160, 6611, 7840, 8414, 8624, 9616, 10780, 12020, 12320, 13222, 16828, 17248, 19232, 21035, 21560, 24040, 26444, 29449, 33055, 33656, 42070, 43120, 46277, 48080, 52888, 58898, 66110, 67312, 84140, 86240, 92554, 96160, 105776, 117796, 132220, 134624, 147245, 168280, 185108, 211552, 231385, 235592, 264440, 294490, 323939, 336560, 370216, 462770, 471184, 528880, 588980, 647878, 673120, 740432, 925540, 942368, 1057760, 1177960, 1295756, 1480864, 1619695, 1851080, 2355920, 2591512, 3239390, 3702160, 4711840, 5183024, 6478780, 7404320, 10366048, 12957560, 25915120, 51830240]

約数ペア:

[(1, 51830240), (2, 25915120), (4, 12957560), (5, 10366048), (7, 7404320), (8, 6478780), (10, 5183024), (11, 4711840), (14, 3702160), (16, 3239390), (20, 2591512), (22, 2355920), (28, 1851080), (32, 1619695), (35, 1480864), (40, 1295756), (44, 1177960), (49, 1057760), (55, 942368), (56, 925540), (70, 740432), (77, 673120), (80, 647878), (88, 588980), (98, 528880), (110, 471184), (112, 462770), (140, 370216), (154, 336560), (160, 323939), (176, 294490), (196, 264440), (220, 235592), (224, 231385), (245, 211552), (280, 185108), (308, 168280), (352, 147245), (385, 134624), (392, 132220), (440, 117796), (490, 105776), (539, 96160), (560, 92554), (601, 86240), (616, 84140), (770, 67312), (784, 66110), (880, 58898), (980, 52888), (1078, 48080), (1120, 46277), (1202, 43120), (1232, 42070), (1540, 33656), (1568, 33055), (1760, 29449), (1960, 26444), (2156, 24040), (2404, 21560), (2464, 21035), (2695, 19232), (3005, 17248), (3080, 16828), (3920, 13222), (4207, 12320), (4312, 12020), (4808, 10780), (5390, 9616), (6010, 8624), (6160, 8414), (6611, 7840)]