660879378

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{1301}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 1537401600

約数和(自身を除く): 876522222

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 409, 414, 621, 818, 1227, 1242, 1301, 2454, 2602, 3681, 3903, 7362, 7806, 9407, 11043, 11709, 18814, 22086, 23418, 28221, 29923, 35127, 56442, 59846, 70254, 84663, 89769, 169326, 179538, 253989, 269307, 507978, 532109, 538614, 807921, 1064218, 1596327, 1615842, 3192654, 4788981, 9577962, 12238507, 14366943, 24477014, 28733886, 36715521, 73431042, 110146563, 220293126, 330439689, 660879378]

約数ペア:

[(1, 660879378), (2, 330439689), (3, 220293126), (6, 110146563), (9, 73431042), (18, 36715521), (23, 28733886), (27, 24477014), (46, 14366943), (54, 12238507), (69, 9577962), (138, 4788981), (207, 3192654), (409, 1615842), (414, 1596327), (621, 1064218), (818, 807921), (1227, 538614), (1242, 532109), (1301, 507978), (2454, 269307), (2602, 253989), (3681, 179538), (3903, 169326), (7362, 89769), (7806, 84663), (9407, 70254), (11043, 59846), (11709, 56442), (18814, 35127), (22086, 29923), (23418, 28221)]