256214720

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15107}}^1$

素因数の和:15177

約数の個数: 56

約数和(自身を含む): 621663984

約数和(自身を除く): 365449264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 8480, 15107, 16960, 30214, 60428, 75535, 120856, 151070, 241712, 302140, 483424, 604280, 800671, 966848, 1208560, 1601342, 2417120, 3202684, 4003355, 4834240, 6405368, 8006710, 12810736, 16013420, 25621472, 32026840, 51242944, 64053680, 128107360, 256214720]

約数ペア:

[(1, 256214720), (2, 128107360), (4, 64053680), (5, 51242944), (8, 32026840), (10, 25621472), (16, 16013420), (20, 12810736), (32, 8006710), (40, 6405368), (53, 4834240), (64, 4003355), (80, 3202684), (106, 2417120), (160, 1601342), (212, 1208560), (265, 966848), (320, 800671), (424, 604280), (530, 483424), (848, 302140), (1060, 241712), (1696, 151070), (2120, 120856), (3392, 75535), (4240, 60428), (8480, 30214), (15107, 16960)]