30459880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1871}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 76826880

約数和(自身を除く): 46367000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 1871, 2035, 3256, 3742, 4070, 7484, 8140, 9355, 14968, 16280, 18710, 20581, 37420, 41162, 69227, 74840, 82324, 102905, 138454, 164648, 205810, 276908, 346135, 411620, 553816, 692270, 761497, 823240, 1384540, 1522994, 2769080, 3045988, 3807485, 6091976, 7614970, 15229940, 30459880]

約数ペア:

[(1, 30459880), (2, 15229940), (4, 7614970), (5, 6091976), (8, 3807485), (10, 3045988), (11, 2769080), (20, 1522994), (22, 1384540), (37, 823240), (40, 761497), (44, 692270), (55, 553816), (74, 411620), (88, 346135), (110, 276908), (148, 205810), (185, 164648), (220, 138454), (296, 102905), (370, 82324), (407, 74840), (440, 69227), (740, 41162), (814, 37420), (1480, 20581), (1628, 18710), (1871, 16280), (2035, 14968), (3256, 9355), (3742, 8140), (4070, 7484)]