66774980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8539}}^1$

素因数の和:8588

約数の個数: 48

約数和(自身を含む): 154949760

約数和(自身を除く): 88174780

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 8539, 17078, 34156, 42695, 85390, 145163, 170780, 196397, 290326, 392794, 580652, 725815, 785588, 981985, 1451630, 1963970, 2903260, 3338749, 3927940, 6677498, 13354996, 16693745, 33387490, 66774980]

約数ペア:

[(1, 66774980), (2, 33387490), (4, 16693745), (5, 13354996), (10, 6677498), (17, 3927940), (20, 3338749), (23, 2903260), (34, 1963970), (46, 1451630), (68, 981985), (85, 785588), (92, 725815), (115, 580652), (170, 392794), (230, 290326), (340, 196397), (391, 170780), (460, 145163), (782, 85390), (1564, 42695), (1955, 34156), (3910, 17078), (7820, 8539)]