6478780

素因数分解:

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

素因数の和:635

約数の個数: 72

約数和(自身を含む): 17294256

約数和(自身を除く): 10815476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 601, 770, 980, 1078, 1202, 1540, 2156, 2404, 2695, 3005, 4207, 5390, 6010, 6611, 8414, 10780, 12020, 13222, 16828, 21035, 26444, 29449, 33055, 42070, 46277, 58898, 66110, 84140, 92554, 117796, 132220, 147245, 185108, 231385, 294490, 323939, 462770, 588980, 647878, 925540, 1295756, 1619695, 3239390, 6478780]

約数ペア:

[(1, 6478780), (2, 3239390), (4, 1619695), (5, 1295756), (7, 925540), (10, 647878), (11, 588980), (14, 462770), (20, 323939), (22, 294490), (28, 231385), (35, 185108), (44, 147245), (49, 132220), (55, 117796), (70, 92554), (77, 84140), (98, 66110), (110, 58898), (140, 46277), (154, 42070), (196, 33055), (220, 29449), (245, 26444), (308, 21035), (385, 16828), (490, 13222), (539, 12020), (601, 10780), (770, 8414), (980, 6611), (1078, 6010), (1202, 5390), (1540, 4207), (2156, 3005), (2404, 2695)]