128003220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{237043}}^1$

素因数の和:237061

約数の個数: 48

約数和(自身を含む): 398233920

約数和(自身を除く): 270230700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 237043, 474086, 711129, 948172, 1185215, 1422258, 2133387, 2370430, 2844516, 3555645, 4266774, 4740860, 6400161, 7111290, 8533548, 10666935, 12800322, 14222580, 21333870, 25600644, 32000805, 42667740, 64001610, 128003220]

約数ペア:

[(1, 128003220), (2, 64001610), (3, 42667740), (4, 32000805), (5, 25600644), (6, 21333870), (9, 14222580), (10, 12800322), (12, 10666935), (15, 8533548), (18, 7111290), (20, 6400161), (27, 4740860), (30, 4266774), (36, 3555645), (45, 2844516), (54, 2370430), (60, 2133387), (90, 1422258), (108, 1185215), (135, 948172), (180, 711129), (270, 474086), (540, 237043)]