128587760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{32803}}^1$

素因数の和:32830

約数の個数: 60

約数和(自身を含む): 347788008

約数和(自身を除く): 219200248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 32803, 65606, 131212, 164015, 229621, 262424, 328030, 459242, 524848, 656060, 918484, 1148105, 1312120, 1607347, 1836968, 2296210, 2624240, 3214694, 3673936, 4592420, 6429388, 8036735, 9184840, 12858776, 16073470, 18369680, 25717552, 32146940, 64293880, 128587760]

約数ペア:

[(1, 128587760), (2, 64293880), (4, 32146940), (5, 25717552), (7, 18369680), (8, 16073470), (10, 12858776), (14, 9184840), (16, 8036735), (20, 6429388), (28, 4592420), (35, 3673936), (40, 3214694), (49, 2624240), (56, 2296210), (70, 1836968), (80, 1607347), (98, 1312120), (112, 1148105), (140, 918484), (196, 656060), (245, 524848), (280, 459242), (392, 328030), (490, 262424), (560, 229621), (784, 164015), (980, 131212), (1960, 65606), (3920, 32803)]